Materiały źródłowe

• #1 Patellar Tendinitis (Jumper’s Knee): Symptoms & Treatment

  https://my.clevelandclinic.org/health/diseases/patellar-tendonitis-jumpers-knee

  Patellar tendinitis happens when repeated movements (like jumping) gradually weaken the patellar tendon in your knee. Symptoms like pain and stiffness can get worse over time, especially if you push through them to keep playing or training. […] The most common patellar tendinitis symptoms include: Knee pain at the front of your knee. Tenderness to even a light touch right below your kneecap. Stiffness (which may make it hard to bend or straighten your knee). […] Everyone experiences pain differently, but most people with jumpers knee feel a low, dull ache at the front of their knees. The pain usually gets worse when you use or move your knee, especially when you straighten it. Certain motions like climbing up or down stairs or squatting are usually painful. […] Healing takes time. The details of your recovery will depend on which symptoms you’re experiencing and the severity of the tendinitis. You may start feeling better after resting for a few weeks. But more severe patellar tendinitis may take longer to heal. […] Visit a provider if you experience: A dull ache around your knee that lasts for a while after you stop activity. Sharp, severe knee pains after a sudden movement. Knee pain that gets worse during physical activity.

• #1 Patellar Tendonitis – Treatments & Symptoms | Massachusetts General Hospital

  https://www.massgeneral.org/orthopaedics/sports-medicine/conditions-and-treatments/patella-tendinitis

  Common symptoms for those experiencing patellar tendonitis may include: […] Pain below the kneecap during activity […] Pain below the kneecap during rest […] Swelling below the kneecap […] Weakness in the knee. […] In many cases of patellar tendonitis you will notice a sudden onset of aching and pain in the area just below the kneecap after sports or recreational activities. […] You may notice pain when landing from a jump or when going up and down stairs. […] There is sometimes pain at rest, particularly after sitting with the knees bent. […] Swelling in the area just below the kneecap is common, as well as a feeling of weakness at the knee. […] In the early (acute) stage of patellar tendonitis, the pain and inflammation subside with rest. […] While there may be pain at the beginning of activity, it often subsides after a period of warmup and then re-appears after the completion of the activity.

• #1 Patellar Tendonitis: Symptoms & Treatment | Mass General Brigham

  https://www.massgeneralbrigham.org/en/patient-care/services-and-specialties/sports-medicine/conditions/knee/patellar-tendonitis

  The first and most common symptom of patellar tendonitis is pain, typically below your kneecap. It often starts as aching in your knee following physical exertion such as playing sports or working out and then can progress to sharp, activity related, stabbing pain. While your symptoms may not always be the same, they can progress to the point where they interfere with everyday movements such as standing up or using stairs. […] Other common symptoms of patellar tendonitis include: Pain and tenderness in your knee or behind your kneecap, Swelling, Difficulty jumping, running, or walking, Pain when bending or straightening your leg. […] Pain (often sharp or stabbing), tenderness, or burning sensations are all symptoms of patellar tendonitis. You may also experience swelling in your knee and pain when you try to kneel or squat down.

• #1 Patellar Tendinopathy | NHS Lanarkshire

  https://www.nhslanarkshire.scot.nhs.uk/services/physiotherapy-msk/patellar-tendinopathy/

  Symptoms normally appear gradually, but can also develop after a bump to the knee. […] Pain is the most common symptom, localised to the front of the knee (pain can be mild or severe). […] Tenderness on the front of the knee. […] The tendon can sometimes feel a little thickened. Some people can experience tightness or weakness in leg muscles (quadriceps). […] Stiffness in the knee can often occur especially in the morning. […] Some people can also have mild swelling around the knee. […] An appropriate exercise programme can take more than 3 months to complete. You may see improvements before this but it may take longer for your symptoms to fully resolve.

• #1 Patellar tendonitis – Causes, symptoms, and treatment

  https://www.sports-injury-physio.com/post/patellar-tendonitis-causes-symptoms-and-treatment

  It is quite common to experience a delayed increase in pain, i.e. it is only 24 hours after doing an activity or training session that you suddenly experience an increase in pain. […] Patellar tendonitis can sometimes cause pain when you sit with your knee bent for a long period. This is because the injured patellar tendon is under a bit of stretch and compression when your knee is bent, and that can cause it to become irritated if the position is sustained for too long. […] Patellar tendonitis, like all tendon injuries, can take a very long time to heal. Most people will recover and return to full sport within six months. But researchers have found that up to a third of athletes will take longer than six months to recover and often more than a year. […] […] […] Patellar tendonitis recovery time

• #1 Patellar Tendonitis | Symptoms & Treatments at the ROC

  https://www.renoortho.com/specialties/center-for-sports-medicine/patellar-tendonitis/

  Patellar tendonitis, also referred to as jumpers knee causes pain just below the kneecap. It is usually caused by inflammation and degeneration of the tendon that connects the kneecap to the shinbone. Sometimes it is caused by a specific injury, but more commonly it is related to repeated minor injuries over time. These types of injuries are called overuse injuries. Athletes that participate in jumping sports like basketball and volleyball often suffer from this problem. […] Symptoms of Patellar Tendonitis: Tenderness located directly over the involved tendon at the bottom of the kneecap. Pain worsens at the start of an activity, improves during, and then returns after cooling down. Pain when jumping, running, or walking. Swelling at the bottom of the knee. Pain in common movements such as rising from a sitting position or climbing stairs. The pain is not always severe and often athletes can continue to play with symptoms, however, the pain and decreased performance will not improve without treatment. Rarely patella tendonitis can precede a patella tendon rupture which is severe and requires surgery. […] Treatment for patella tenonitis can take several months to be successful.

• #1

  https://www.orthobullets.com/knee-and-sports/3015/patellar-tendinitis

  Patellar tendinitis is tendinopathy of the patellar tendon associated with activity-related anterior knee pain. […] Symptoms include insidious onset of anterior knee pain at inferior border of patella. […] In the initial phase, pain follows activity. […] In the late phase, pain occurs during activity and with prolonged flexion („movie theater sign”). […] Diagnosis is primarily made clinically with tenderness to palpation at the distal pole of patella in full extension. […] Pain during and after activity is characteristic of Phase II in the Blazina classification system. […] Persistent pain with or without activities indicates Phase III, which involves deterioration of performance.

• #1 Patellar tendinitis – Wikipedia

  https://en.wikipedia.org/wiki/Patellar_tendinitis

  Symptoms include pain in the front of the knee. […] Typically the pain and tenderness is at the lower part of the kneecap, though the upper part may also be affected. […] Generally there is no pain when the person is at rest. […] It begins as inflammation in the patellar tendon where it attaches to the patella and may progress by tearing or degenerating the tendon. […] People present with an ache over the patella tendon. […] Jumper’s knee can be classified into 1 of 4 stages, as follows: Stage 1: Pain only after activity, without functional impairment […] Stage 2: Pain during and after activity, although the person is still able to perform satisfactorily in his or her sport […] Stage 3: Prolonged pain during and after activity, with increasing difficulty in performing at a satisfactory level […] Stage 4: Complete tendon tear requiring surgical repair. […] Recovery can take months and persist over years. […] Without proper rest and rehabilitation, patellar tendonitis can worsen, causing persistent pain.

• #1 Patellar Tendonitis: Symptoms & Stages | Study.com

  https://study.com/academy/lesson/patellar-tendonitis-symptoms-stages.html

  Patellar tendonitis is a common injury to the knee that involves pain and inflammation of the patellar tendon. […] The most common symptom of patellar tendonitis is pain. This pain usually increases when a person moves the knee joint such as during walking, running, and jumping. Other symptoms of patellar tendonitis include: […] Patellar tendonitis is often caused by repetitive movements, such as running and jumping, which can irritate the patellar tendon. The main symptoms of this type of injury include pain, swelling, stiffness, tenderness, and weakness. […] There are four main stages of patellar tendonitis: […] Stage I: Pain associated with the patellar tendonitis occurs only after exercising or activity. […] Stage II: Pain occurs both during and after exercising or activity, but the pain does not impact or limit performance or activities. […] Stage III: Pain in the knee is constant and the pain starts to limit or negatively impact performance and activities. […] Stage IV: The patellar tendon actually tears or ruptures.

• #1 Patellar Tendonitis Symptoms: 3 Red Flags You Need to Know

  https://www.fix-knee-pain.com/patellar-tendonitis-symptoms/

  The longer you wait, the weaker your knee becomes and the more recovery time you’ll ultimately need. […] This means that activities that didn’t cause you pain when you’re in stage 1 of patellar tendonitis are too stressful for your knee when you’re in stage 2 or 3 and will then cause pain. […] Each stage has one red flag symptom that indicates your injury has progressed to this stage. […] Stage 2 Symptoms: Light ache during sports activity, Mild pain after the activity, You’ve had pain some time ago and it went away, but now it’s back. Red flag symptom: Pain lingers for more than two days and keeps coming back after activity. […] Stage 3 Symptoms: Mild pain before sports activity, Pain during activity, Moderate to strong pain after activity. Red Flag: Pain starts to limit sports performance and there is always some pain throughout the day, even after a lot of rest.

• #1 PATELLAR TENDINOPATHY – BreakThrough Physical Therapy

  https://www.breakthroughpt.com/patellar-tendinopathy/

  Athletes participating in sports such as basketball, volleyball, and track field are the most at risk for developing Patellar Tendinopathy, also referred to as jumpers knee. […] Patellar Tendinopathy is an injury to a tendon that causes pain, soreness, stiffness, and swelling. […] Patellar tendinitis is an acute (short term) injury causing inflammation to the patellar tendon, whereas patellar tendinosis is a chronic (long term) injury that involves micro-tears and scar tissue on that same tendon. […] Patellar Tendinopathy consists of several different stages which range from mild discomfort to severe pain and are categorized as the following: Stage 1: A dull ache or pain between the kneecap and the shin that occurs only after activity, without any functional impairment. Stage 2: Localized pain that occurs during and after activity, without any functional impairment. Stage 3: Localized pain that occurs at the beginning of the activity and persists long after the activity is completed. Function is limited. Stage 4: Intense pain is present from the patellar tendon rupturing (complete tear). The knee is unable to function properly and will be extremely limited.

• #1 Patellar Tendonitis – Treatments & Symptoms | Massachusetts General Hospital

  https://www.massgeneral.org/orthopaedics/sports-medicine/conditions-and-treatments/patella-tendinitis

  If you continue with your activity in the presence of pain, you can usually continue to exercise or perform at a normal level. […] However, if you continue to exercise and dont rest, the pain will become more persistent and will be present before, during and after activity. […] At this stage, you can do permanent damage to the tendon if you continue your activity, and it will take longer to heal.

• #1 Patellar Tendinitis: Causes and Symptoms – Orthopedic & Sports Medicine

  https://orthosportsmed.com/patellar-tendinitis/

  Pain is the first symptom of patellar tendinitis, usually between your kneecap and where the tendon attaches to your shinbone (tibia). […] Initially, you may only feel pain in your knee as you begin physical activity or just after an intense workout. Over time, the pain worsens and starts to interfere with playing your sport. Eventually, the pain interferes with daily movements such as climbing stairs or rising from a chair. […] If you try to work through your pain, ignoring your body’s warning signs, you could cause increasingly larger tears in the patellar tendon. Knee pain and reduced function can persist if you don’t tend to the problem, and you may progress to the more serious patellar tendinopathy.

• #1 Patellar tendonitis: Treatment, exercises, symptoms, and recovery time

  https://www.medicalnewstoday.com/articles/321294

  Patellar tendonitis develops gradually. The condition becomes more severe each time the tendon is overstressed, so it is essential for a person to rest their knee after each injury. This will give the body time to heal. […] The main symptom of patellar tendonitis is a dull pain just below the kneecap. There may also be swelling and tenderness around the knee. At first, a persons symptoms may be mild, only occurring during intense exercise. However, they can worsen over time. […] If patellar tendonitis goes untreated, a person may risk a tendon tear. A large tear of the patella tendon is a serious injury, and a complete tear will separate the tendon from the kneecap. They may hear a tearing or popping sound and feel significant pain.

• #1 Sports Injuries Specialist | Patellar Tendonitis – Jumper’s Knee

  https://www.drsatishortho.com/orthopedic-conditions/knee/patellar-tendonitis-jumpers-knee

  Jumper’s knee, also known as patellar tendinitis, is an inflammation of the tendon connecting the kneecap to the shin bone. It is one of the most common injuries that occur around the knee joint. […] Some of the signs and symptoms of patellar tendinitis are given below: Pain and discomfort near the kneecap’s base. Swelling of the kneecap. Warmth and burning feeling in the kneecap. […] Pain is usually noted when a person begins to exercise or with prolonged, continuous exercise. Activities like running, jumping, and landing forcefully are known to worsen the pain. A person may also experience weakness in the knee while exercising. […] If the leg is straightened, the region below the knee may feel tender to the touch. This area may also feel particularly stiff or tight in the early morning. In the event of a large tear of the patella tendon, a person may hear a „popping” sound along with a considerable amount of pain. The knee may swell up, making it difficult for the person to walk or straighten his leg.

• #1 Patellar Tendinitis: Symptoms, Causes, Diagnosis & Treatments

  https://aidyourtendon.com/tendinitis-injuries/knee-tendonitis/patella-tendonitis.php

  Short-term inflammation in the patellar tendon is considered 'patellar tendonitis’. This is where the tendon becomes frayed or torn from an incident (like playing sports / running), or over-use (repetitively participating in the same activities). You may partially or completely tear your patellar tendon. If you completely tear your patellar tendon, your tendon will no longer be attached to your knee cap (patella). Without that attachment you won’t be able to straighten your knee. Partial tearing usually happens to the middle of the patellar tendon, while complete tearing often happens where the patellar tendon connects to the knee cap (patella).

• #1 What Is Patellar Tendonitis? – Dr. Roger Chams

  https://www.drrogerchams.com/practice-expertise/knee-conditions/patellar-quadriceps-tendonitis/

  Signs and Symptoms of tendonitis in either the patellar or quadriceps tendons most commonly are associated with a dull ache overlying the anterior or front of the knee. Typically begins gradually and as activity continues or if left untreated symptoms worsen. […] As symptoms worsen, the dull ache becomes sharp. Symptoms can become debilitating especially with repetitive climbing, squatting, jumping and lunging. Additionally, bouts of instability may occur from pain and weakness, stiffness with prolonged sitting and generalized knee swelling. Untreated, chronic inflammation can lead to weakening of the tendon, disruption of blood supply to maintain tendon health leading to rupture. […] Signs and Symptoms of tendon tears will typically present acutely and traumatically. Caused by a force fall or jump. Severe pain, swelling, redness, discoloration, deformity, extreme weakness to extend the knee straight from a flexed (bent) position and inability to bear weight on the injured extremity.

• #1 Patellar Tendonitis – Rheumatology Advisor

  https://www.rheumatologyadvisor.com/ddi/patellar-tendonitis/

  Patellar tendonitis presents with a history of activity-related anterior knee pain. Symptoms initially appear after sports activity, particularly sports involving jumping. Repetitive loading over a single session or with insufficient rest between sessions leads to tears and altered mechanics of the tendon. Individuals will report highly localized pain and indicate the areas of the distal patellar pole and proximal patellar tendon. Generally, there is no precipitating incident, and pain develops gradually. As the condition progresses, pain can be brought on by any activity, or it can become continuous. […] Patellar tendonitis is an inflammatory disorder that often manifests following persistent activity-related anterior knee pain that develops gradually. Symptoms related to patellar tendonitis are typically related to sports involving jumping such as basketball, volleyball, athletic jump events, tennis, and football. Due to the repetitive trauma and infrequent rest, tears and malformations occur in the tendon. Progressively, the patellar tendonitis pain can be incidental or continuous.

• #1 Patella Tendinopathy & the 4-stage management program for 'Jumper’s knee’ — Rayner & Smale

  https://www.raynersmale.com/blog/2015/10/27/understanding-patella-tendinopathy-management-of-jumpers-knee

  Patella tendinopathy is defined as pain and dysfunction in the patella tendon. Clinically, patella tendinopathy presents with localised anterior knee pain and pain with loading tasks such as stairs, jumping, squats, sit to stand, and prolonged sitting (Rudavsky Cook., 2014). […] The following clinical features help support our clinical reasoning and are consistently reported throughout the literature (Malliaras, et al., 2015; Rio, et al., 2015b; Van Ark et a., 2014): Pain over the inferior pole of the patella. Load-dependent nature. Warm up phenomenon – stiff to warm up but eases with activity. Increased pain the day after activity. Pain increases as load increases i.e shallow to deep squat, hopping from a greater height, walking down stairs, decline squat. Pain is rarely experienced at a resting state. Patella tendinopathy is rarely associated with global swelling.

• #1 Patellar Tendinitis | Orthopedics & Sports Medicine

  https://health.uconn.edu/orthopedics-sports-medicine/conditions-and-treatments/where-does-it-hurt/knee/patellar-tendinitis/

  Typical symptoms include: […] Pain or tenderness around the patellar tendon, especially where it attaches to the patella. […] Swelling around the patellar tendon. […] Pain with activities, such as jumping, running, or walking. […] Pain may be worse with downhill walking or descending stairs.

• #1 Patellar Tendonitis: Symptoms, Treatment, and More

  https://www.healthline.com/health/patellar-tendonitis

  Pain and tenderness at the base of your kneecap are usually the first symptoms of patellar tendonitis. You may also have some swelling and a burning feeling in the kneecap. Kneeling down or getting up from a squat can be especially painful. […] The pain may at first be sporadic, occurring only after sports or exercise activity. As the tendon becomes more damaged, the pain can become progressively worse. It can interfere with any athletic activity, as well as with daily activities, such as climbing stairs or sitting in a car. […] Recovery for mild injuries can be 3 weeks, while more severe injuries may require 6 to 8 months or more.

• #1 Patellar Tendonitis / Jumper’s Knee (Symptoms & Treatments)

  https://www.iphysio.sg/articles/patellar-tendonitis

  Signs and symptoms vary on the severity and the period of time passed since original injury. […] Normally there is pain on touching the inferior pole of the patella as well as recurrent episodes of pain within the body of the tendon. Pain can also be reproduced through resisted knee extensions. Functional tasks involving stairs, hopping/jumping as well as squatting can normally induce the persons pain. […] Acute tendinitis involving an active inflammatory process, if treated correctly, can heal in 3-6 weeks. Chronic patellar tendinopathy involves degenerative changes which occur 6 weeks to 3 months post injury. These changes are notable for the absence of the inflammatory cycle as well as decreased quality and disorganisation of collagen fibers which leads to decreased tensile strength. […] Overuse by athletes leads to this chronic stage which ends up taking 3-6 months to heal.

• #1 How Long for Patellar Tendonitis to Heal?

  https://www.kneepaincentersofamerica.com/blog/how-long-does-patellar-tendonitis-take-to-heal

  Individuals suffering from patellar tendinitis may experience several notable symptoms, including: […] Pain: Dull ache in the knee that worsens with use. […] Stiffness: Tightness, particularly after periods of inactivity. […] Movement restrictions: Difficulty or pain when jumping, squatting, or climbing stairs. […] In mild cases, an individual may start feeling relief within a few weeks of rest and avoiding aggravating activities. However, more severe cases may require several months of comprehensive management and rehabilitation. […] It is critical for individuals not to rush their recovery. Prematurely resuming activities can lead to setbacks and prolong the healing process. […] Recovery timelines can vary significantly between mild and severe cases of patellar tendonitis. […] Mild: 3 weeks. […] Severe: 3 months or longer. […] In summary, effective treatment for patellar tendonitis encompasses a comprehensive approach, integrating rest, medications, and targeted physical therapy to promote healing and restore function.

• #1 Patellar tendonitis – Causes, symptoms, and treatment

  https://www.sports-injury-physio.com/post/patellar-tendonitis-causes-symptoms-and-treatment

  Patellar tendonitis, like all tendon injuries, can take a very long time to heal. Most people will recover and return to full sport within six months. But researchers have found that up to a third of athletes will take longer than six months to recover and often more than a year. […] This is why its important to seek help early on to ensure that youre applying the most appropriate treatment plan for your specific case.

• #1 Patellar tendon: From tendinopathy to rupture

  https://pmc.ncbi.nlm.nih.gov/articles/PMC5730651/

  Patellar tendinopathy is very common in patients complaining of anterior knee pain. […] The most common complaint of patients with patellar tendinopathy is pain around the patella. […] Patellar tendinopathy can be further divided into acute: onset in 2 weeks; subacute: between 2 weeks and 6 weeks; and chronic: 6 weeks. […] Patellar tendinopathy is disabling, most of all for athletes. About 30% of athletes affected by patellar tendinopathy do not return to sport for 6 months, with 50% of these having anterior knee pain 15 years after diagnosis. […] Patients with patellar tendinopathy usually describe anterior knee pain, which is exacerbated by activity or sometimes by prolonged knee flexion. […] The onset of pain is often insidious, sometimes related to a period of increased activity, and most of all referred to the inferior pole of the patella.

• #1 5 Signs You’re Dealing with Patellar Tendinitis | LA Pain Doctor

  https://lapaindoc.com/5-signs-youre-dealing-with-patellar-tendinitis/

  Left untreated, overuse injuries like patellar tendinitis can get worse and, ultimately, force you to significantly curb or even quit your active lifestyle. […] It’s impossible to say how long it will take for your patellar tendon to heal, but studies show that a return to sports can take anywhere from 20 to 90 days, or more, depending on the severity of your tissue damage.

• #1 Jumpers Knee – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK532969/

  „Jumper’s knee,” also called patellar tendinopathy, is a painful condition of the knee, mainly activity-related, caused by small tears in the patellar tendon that mainly occurs in sports requiring strenuous jumping and results in localized patellar tendon tenderness. The condition has a male predominance, with a more common occurrence in adolescents and young adults. Jumper’s knee is a clinical diagnosis through detailed history taking and a physical exam. Treatment mainly revolves around conservative measures such as reducing activities that place a loading impact on the knee. Once the pain subsides, restoration of function is achieved through physical and exercise therapy. Jumper’s knee occurs more often in males. Approximately 45% of elite jumping athletes and up to 14% of recreational jumping athletes will have jumper’s knee symptoms at any point during their career. Most cases of patellar tendinopathy will resolve with nonoperative management. Nevertheless, mild to moderate pain may persist for 15 years in adult athletes with patellar tendinopathy but does not appear to limit leisure-time physical activity. A previous study that used imaging technology to classify the severity of the lesion said that mild pathologies might take anywhere from 20 days for the patient to return to sport, whereas more severe cases might take 90 days. Patellar tendinopathy may cause long-lasting symptoms that can lead to the athlete’s early retirement from the sport.

• #1 Patellar Tendonitis Information – Emory Orthopaedics and Spine Center

  https://www.emoryhealthcare.org/conditions/orthopedics/patellar-tendonitis

  Patellar tendinitis is characterized by inflammation and pain at the patellar tendon (the tendon below the kneecap). […] Common Signs Symptoms of Patellar Tendonitis: Pain, tenderness, swelling, warmth, or redness over the patellar tendon, most often at the lower pole of the patella (kneecap) or at the tibial tubercle (bump on the upper part of the lower leg). […] Pain and loss of strength (occasionally) with forcefully straightening the knee (especially when jumping or when rising from a seated or squatting position) or bending the knee completely (squatting or kneeling). […] Crepitation (a crackling sound) when the tendon is moved or touched. […] Patellar Tendonitis is usually curable within 6 weeks if treated appropriately with conservative treatment and resting of the affected area. […] Prolonged healing time if not appropriately treated or if not given adequate time to heal. […] Recurrence of symptoms if activity is resumed too soon, with overuse, with a direct blow, or when using poor technique. […] Untreated, tendon rupture requiring surgery.

• #1 Patellar Tendonitis | Symptoms, Diagnosis & Treatment

  https://www.cincinnatichildrens.org/health/p/patellar-tendonitis

  Patellar tendonitis happens over time with no specific injury. The patellar tendon becomes inflamed, and the athlete feels pain on the front surface of the knee. This pain is often described as an ache. The area directly over the tendon will be tender. It may be swollen. At first the pain may only happen at the start or the end of exercise that involves running, jumping and squatting. It also may happen during everyday actions like standing, sitting for a long time, or using stairs. […] Athletes often respond very well to the treatment for patellar tendonitis. If left untreated, the patellar tendon can become thickened and more painful. In severe cases, the athlete is at risk for tearing the patellar tendon or needing surgery for cyst formation.

• #1 Patellar Tendonitis Overview

  https://m.mendmyknee.com/knee-and-patella-injuries/patellar-tendinitis.php

  Patellar tendinitis refers to pain and inflammation of the patellar tendon in the kneecap. […] Symptoms of Patellar Tendonitis include irritation or acute pain just below the knee cap, tenderness and swelling in the knee cap area or just below the knee cap, and difficulty running down hills. […] The body heals the injured patellar tendon fibers by binding them together with fibrotic adhesions, or scar tissue. This is a normal, protective response of the body, done in an attempt to prevent further damage to the injured area. Unfortunately, this leads to inflexibility in the knee and possibly chronic knee problems. […] If not treated properly, persistent symptoms will occur, which may eventually lead to corrective surgery.

• #1 Patellar tendinitis | Beacon Health System

  https://www.beaconhealthsystem.org/library/diseases-and-conditions/patellar-tendinitis?content_id=CON-20376095

  Patellar tendinitis causes pain in the patellar tendon, which runs from the kneecap (patella) to the shinbone (tibia). […] Pain is the first symptom of patellar tendinitis, usually between your kneecap and where the tendon attaches to your shinbone (tibia). […] Initially, you may only feel pain in your knee as you begin physical activity or just after an intense workout. Over time, the pain worsens and starts to interfere with playing your sport. Eventually, the pain interferes with daily movements such as climbing stairs or rising from a chair. […] If you try to work through your pain, ignoring your body’s warning signs, you could cause increasingly larger tears in the patellar tendon. Knee pain and reduced function can persist if you don’t tend to the problem, and you may progress to the more serious patellar tendinopathy.

• #1 Patellar Tendonitis – Causes, Symptoms, Diagnosis and Treatment

  https://carrothersorthopaedics.co.uk/patellar-tendonitis-causes-symptoms-diagnosis-treatment/

  The symptoms of patellar tendonitis include pain, swelling and tenderness in the front part of your knee just below your kneecap. You may experience increased pain when you jump, run or walk, as well as when bending or straightening your leg. Over time, the pain may start to worsen, until eventually you may find it difficult to perform everyday activities such as walking, going upstairs or getting up from a chair. […] If you start to experience pain in and around your kneecap, it is advisable to rest the affected area. If the pain is getting worse and starting to affect your everyday activities or if you have swelling and redness around the joint, you need to see a doctor. They will carry out a physical examination to see where the pain is coming from. You may be referred for an ultrasound which can reveal any tears in your patellar tendon, an MRI scan which can provide detailed images of the affected area or an X-ray to rule out other possible causes of knee pain.

• #1 Patellar Tendinitis Treatment Options | Dr. M. Tyrrell Burruslogodocero-logo

  https://drtyrrellburrus.com/2019/blog/treatment-options-for-patellar-tendinitis/

  The main sign of patellar tendinitis is knee pain. The pain may start out mild, but it increases over time where it interferes with walking and climbing stairs. Swelling and burning sensations in the kneecap is another symptom. It could be especially painful for you to kneel or squat. […] If you have persistent knee pain or discomfort, see your doctor. If your patellar tendonitis is treated early, you can make a fast and total recovery.

• #1 Causes of Patellar Tendinitis Plus Symptoms and Treatment

  https://elevatephysiobalwyn.com.au/conditions-treated/knee/patellar-tendinitis/

  Patellar tendinitis, also known as jumpers knee, is a condition that occurs when the patellar tendon, which connects the kneecap (patella) to the shinbone, becomes inflamed and painful. […] The signs and symptoms of patellar tendinitis, also known as jumpers knee, may include: Pain and tenderness: Pain and tenderness around the base of the patella are the most common symptoms of patellar tendinitis. The pain may be a dull ache or a sharp, stabbing pain. Stiffness: The knee may feel stiff and may be difficult to move. Swelling: There may be swelling around the patellar tendon. Weakness: The knee may feel weak, making it difficult to perform activities that require bending the knee, such as running and jumping. Pain during activity: Pain may increase during activities that put stress on the patellar tendon, such as jumping, running, or squatting. Pain after activity: Pain may persist after activity, particularly in the morning after a period of rest. Cracking or popping sounds: There may be cracking or popping sounds in the knee when bending or straightening the leg. […] If left untreated, patellar tendinitis can lead to chronic pain and may require more extensive treatment, including surgery. If you are experiencing any of these symptoms, its important to seek the advice of a healthcare professional or a physiotherapist for proper diagnosis and treatment.

• #1

  https://www.hingehealth.com/resources/articles/jumpers-knee/

  Patellar tendonitis symptoms typically include: […] Pain in the knee that worsens with activity, especially when jumping, squatting, running, or going up and down stairs. […] Swelling. […] Tenderness when pressing just below the kneecap. […] Knee stiffness. […] If you’re doing regular strengthening and stretching exercises, you should gradually see a decrease in pain and an increase in your ability to do your daily activities over time. […] Patellar tendonitis is sometimes mistaken for other injuries such as meniscal injuries, patellofemoral syndrome, quadriceps injury like a strain or tendonitis, or knee bursitis.

• #1 Patellar Tendinitis — The Knee and Shoulder Centers

  https://www.kneeandshouldermd.com/pat

  Patellar tendinitis can be thought of as the „tennis elbow of the knee”. […] The symptoms of patellar tendinitis are relatively easy to recognize. The patient will feel pain, not directly behind their kneecap (as in the condition of chondromalacia), but just below (distal to) it. Tenderness is present within the upper (proximal) patellar tendon, and in particular where its mid-section attaches to the lower end of the patella. The patient will typically feel discomfort there if they are either trying to kneel directly on their knee or if they are placing a lot of tension on their patellar tendon. The latter occurs while running, jumping or when bending the knee and supporting one’s body weight at the same time (i.e., getting into a half-squat position). In very inflamed cases, local warmth can actually be felt emanating from the tissues beneath the skin overlying the patellar tendon.

• #1 Understanding Jumper’s Knee: Symptoms and Treatment – Sport Doctor London

  https://sportdoctorlondon.com/jumpers-knee/

  Commonly, patellar tendinitis causes pain at the site of tendon swelling right below the knee. Usually, tendon pain worsens with high-intensity running or jumping. After sport, pain right under the knee usually settles after 1-2 days. Also, pain can occur with sitting or driving. The tendon is usually swollen and tender to the touch. […] Usually, a simple ultrasound confirms tendon thickening right below the knee. In addition, blood vessels often grow in the tendon. We think these blood vessels are a source of pain. Often, MRI is useful to rule out other causes of knee pain, such as kneecap arthritis, fat pad impingement, or patellofemoral arthritis.

• #1 Patellar Tendonitis Symptoms: 3 Red Flags You Need to Know

  https://www.fix-knee-pain.com/patellar-tendonitis-symptoms/

  Patellar tendonitis is a deceitful injury. It will trick you into letting it weaken your knees until you’ll eventually need months of rehab. […] This article will show you the symptoms of patellar tendonitis and the three red flags that tell you how serious your patellar tendonitis has become. […] With patellar tendonitis, the pain will be located around the patellar tendon. You will feel it on the side of your kneecap, in front of your kneecap, and sometimes even behind the kneecap. Most commonly, the pain is felt in the patellar tendon right below the kneecap. […] Some symptoms that don’t happen with patellar tendonitis are pain on the side of the knee, pain behind the knee, swelling of the knee, or inability to fully flex or extend the knee. […] Research shows that the further you let your patellar tendonitis progress, the more cellular damage will have occurred in your tendon and the weaker it will have become. The weaker the tendon becomes the more of its resilience you’ll lose.

• #1 Patella Tendinopathy & the 4-stage management program for 'Jumper’s knee’ — Rayner & Smale

  https://www.raynersmale.com/blog/2015/10/27/understanding-patella-tendinopathy-management-of-jumpers-knee

  The hallmark features for the diagnosis of patella tendinopathy are pain localised to the inferior pole of the patella and load-related pain that increases as demand on the knee extensors increases, notably with activities that require the storage and release of energy from the tendons (Malliaras, e al., 2015, p. 1-3). […] Throughout the literature the single leg decline squat has been used to evaluate pain under load. It is used to determine if there is pain at 60 degrees knee flexion and a 0-10 rating of pain is gained during the test. Many authors will highlight that this test is not sensitive to different causes of anterior knee pain and therefore as a single test, holds poor diagnostic utility (Purdam, et al., 2004; Rio, et al., 2015; Van Ark, et al., 2014). […] Medical imaging such as ultrasound and MRI are used to assist with the differential diagnosis of anterior knee pain (Malliaras, et al., 2015; Rudavsky Cook, 2014). We don’t always use it to try diagnose this problem but to look for other causes of pain and we don’t often use ultrasound as a first line treatment because there is a disconnect between imaging and pain for patella tendinopathy (Rudavsky Cook, 2014).

• #1 Patellar tendinitis – Diagnosis & treatment – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/patellar-tendinitis/diagnosis-treatment/drc-20376118

  During the exam, your doctor may apply pressure to parts of your knee to determine where you hurt. Usually, pain from patellar tendinitis is on the front part of your knee, just below your kneecap. […] Pain relievers such as ibuprofen (Advil, Motrin IB, others) or naproxen sodium (Aleve, others) may provide short-term relief from pain associated with patellar tendinitis. […] A variety of physical therapy techniques can help reduce the symptoms associated with patellar tendinitis, including: […] If conservative treatments don’t help, your doctor may suggest other therapies, such as: […] If your knee hurts, consider the following: […] If you have knee pain during or after physical activity that doesn’t improve with ice or rest, see your doctor.

• #1 Patellar Tendonitis | Symptoms, treatment & recovery exercises | SportsMD

  https://www.sportsmd.com/sports-injuries/knee-injuries/patellar-tendonitis/

  Patellar tendonitis is defined by inflammation in the patellar tendon, and most commonly occurs at its origin just below the kneecap. The diagnosis of patellar tendonitis is usually straightforward. Pain is usually reproduced with palpation of the area of inflammation and injury. This is most commonly at the inferior pole of the patella, but can occur anywhere along the course of the tendon. Compared to the opposite, normal knee, the tendon will often appear swollen and often warm to the touch. Depending on the severity, the athlete may have significant pain with jumping or kneeling. Walking up and down stairs can also place significant loads on the extensor mechanism and exacerbate the pain. […] If the patellar tendon is ruptured, the kneecap will displace upward and the distance between the kneecap and shinbone is greater than normal (patella alta). Ultrasonography and MRI are both sensitive and specific in identifying patellar tendinitis and localizing the area of micro-injury to the tendon.

• #1 Patellar Tendonitis or Jumper’s Knee

  https://www.verywellhealth.com/patellar-tendonitis-2548747

  Patellar tendonitis occurs when the patellar tendon becomes inflamed and irritated. This problem is most often seen in athletes who do repetitive jumpingthe reason patellar tendonitis is often called „jumper’s knee.” […] Patellar tendonitis and tendinosis usually cause pain directly over the patellar tendon. In these cases, the tendon is usually tender and swollen. Movement of the knee may cause a crunching sensation called crepitus directly over the swollen tendon. The other common symptom of patellar tendon problems is pain with activities, especially jumping or kneeling. […] Occasionally, a calcium deposit may be seen, particularly in patients with chronic patellar tendinosis. An MRI may be helpful to look for symptoms of inflammation or partial tears within the tendon.

• #1 Patella Tendinopathy & the 4-stage management program for 'Jumper’s knee’ — Rayner & Smale

  https://www.raynersmale.com/blog/2015/10/27/understanding-patella-tendinopathy-management-of-jumpers-knee

  One of the biggest difficulties in managing patella tendinopathy is creating an effective treatment plan for reducing knee pain during season. There is mounting evidence suggesting that our traditional eccentric exercises (decline single leg squat) may actually lead to increased knee pain when implemented as a treatment with-in season (Van Ark, et al., 2014). […] Isometric exercises have been proven to provide immediate pain relief in patella tendinopathy (Rio, Kidgell, Purdam et al., 2015). […] This phase is about reintroducing energy storage and restoring power. Malliaras et al (2015) suggest that when an athlete can perform 4-8 repetitions of a single leg press at 150% BW that they may try stage three exercises. But pain must be 3/10 and symptoms must settle within 24 hours. […] Return to training can be done when energy storage exercises are tolerated 3 times a week without aggravation and symptoms settle within 24 hours.

• #2 Patellar tendinitis – Wikipedia

  https://en.wikipedia.org/wiki/Patellar_tendinitis

  Symptoms include pain in the front of the knee. […] Typically the pain and tenderness is at the lower part of the kneecap, though the upper part may also be affected. […] Generally there is no pain when the person is at rest. […] It begins as inflammation in the patellar tendon where it attaches to the patella and may progress by tearing or degenerating the tendon. […] People present with an ache over the patella tendon. […] Jumper’s knee can be classified into 1 of 4 stages, as follows: Stage 1: Pain only after activity, without functional impairment […] Stage 2: Pain during and after activity, although the person is still able to perform satisfactorily in his or her sport […] Stage 3: Prolonged pain during and after activity, with increasing difficulty in performing at a satisfactory level […] Stage 4: Complete tendon tear requiring surgical repair. […] Recovery can take months and persist over years. […] Without proper rest and rehabilitation, patellar tendonitis can worsen, causing persistent pain.

• #2 Patellar Tendinopathy | NHS Lanarkshire

  https://www.nhslanarkshire.scot.nhs.uk/services/physiotherapy-msk/patellar-tendinopathy/

  Symptoms normally appear gradually, but can also develop after a bump to the knee. […] Pain is the most common symptom, localised to the front of the knee (pain can be mild or severe). […] Tenderness on the front of the knee. […] The tendon can sometimes feel a little thickened. Some people can experience tightness or weakness in leg muscles (quadriceps). […] Stiffness in the knee can often occur especially in the morning. […] Some people can also have mild swelling around the knee. […] An appropriate exercise programme can take more than 3 months to complete. You may see improvements before this but it may take longer for your symptoms to fully resolve.

• #2 Patellar Tendonitis – Rheumatology Advisor

  https://www.rheumatologyadvisor.com/ddi/patellar-tendonitis/

  Patellar tendonitis presents with a history of activity-related anterior knee pain. Symptoms initially appear after sports activity, particularly sports involving jumping. Repetitive loading over a single session or with insufficient rest between sessions leads to tears and altered mechanics of the tendon. Individuals will report highly localized pain and indicate the areas of the distal patellar pole and proximal patellar tendon. Generally, there is no precipitating incident, and pain develops gradually. As the condition progresses, pain can be brought on by any activity, or it can become continuous. […] Patellar tendonitis is an inflammatory disorder that often manifests following persistent activity-related anterior knee pain that develops gradually. Symptoms related to patellar tendonitis are typically related to sports involving jumping such as basketball, volleyball, athletic jump events, tennis, and football. Due to the repetitive trauma and infrequent rest, tears and malformations occur in the tendon. Progressively, the patellar tendonitis pain can be incidental or continuous.

• #2 Patellar Tendonitis: Symptoms & Treatment | Mass General Brigham

  https://www.massgeneralbrigham.org/en/patient-care/services-and-specialties/sports-medicine/conditions/knee/patellar-tendonitis

  The first and most common symptom of patellar tendonitis is pain, typically below your kneecap. It often starts as aching in your knee following physical exertion such as playing sports or working out and then can progress to sharp, activity related, stabbing pain. While your symptoms may not always be the same, they can progress to the point where they interfere with everyday movements such as standing up or using stairs. […] Other common symptoms of patellar tendonitis include: Pain and tenderness in your knee or behind your kneecap, Swelling, Difficulty jumping, running, or walking, Pain when bending or straightening your leg. […] Pain (often sharp or stabbing), tenderness, or burning sensations are all symptoms of patellar tendonitis. You may also experience swelling in your knee and pain when you try to kneel or squat down.

• #2

  https://www.parkwayeast.com.sg/conditions-diseases/patellar-tendonitis/symptoms-causes

  Patellar tendonitis is characterised by pain and inflammation which weakens the tendon, creating small tears. The resulting pain can interfere with daily activities, such as climbing stairs or sitting in a car, as well as sports activities. […] Patellar tendonitis symptoms include: Pain and tenderness at the base of the kneecap, especially while kneeling or getting up from a squatting position. Sporadic pain that worsens as the damage to the tendon gets worse. Swelling or burning sensation in the kneecap. Bruising or redness, especially if there has been an injury. Discomfort from daily activities that require bending and straightening of the knee.

• #2 Patellar Tendonitis – Treatments & Symptoms | Massachusetts General Hospital

  https://www.massgeneral.org/orthopaedics/sports-medicine/conditions-and-treatments/patella-tendinitis

  Common symptoms for those experiencing patellar tendonitis may include: […] Pain below the kneecap during activity […] Pain below the kneecap during rest […] Swelling below the kneecap […] Weakness in the knee. […] In many cases of patellar tendonitis you will notice a sudden onset of aching and pain in the area just below the kneecap after sports or recreational activities. […] You may notice pain when landing from a jump or when going up and down stairs. […] There is sometimes pain at rest, particularly after sitting with the knees bent. […] Swelling in the area just below the kneecap is common, as well as a feeling of weakness at the knee. […] In the early (acute) stage of patellar tendonitis, the pain and inflammation subside with rest. […] While there may be pain at the beginning of activity, it often subsides after a period of warmup and then re-appears after the completion of the activity.

• #2 Patellar Tendonitis | Symptoms, treatment & recovery exercises | SportsMD

  https://www.sportsmd.com/sports-injuries/knee-injuries/patellar-tendonitis/

  Patellar tendonitis is defined by inflammation in the patellar tendon, and most commonly occurs at its origin just below the kneecap. The diagnosis of patellar tendonitis is usually straightforward. Pain is usually reproduced with palpation of the area of inflammation and injury. This is most commonly at the inferior pole of the patella, but can occur anywhere along the course of the tendon. Compared to the opposite, normal knee, the tendon will often appear swollen and often warm to the touch. Depending on the severity, the athlete may have significant pain with jumping or kneeling. Walking up and down stairs can also place significant loads on the extensor mechanism and exacerbate the pain. […] If the patellar tendon is ruptured, the kneecap will displace upward and the distance between the kneecap and shinbone is greater than normal (patella alta). Ultrasonography and MRI are both sensitive and specific in identifying patellar tendinitis and localizing the area of micro-injury to the tendon.

• #2 Patellar Tendonitis: Symptoms, Treatment, and More

  https://www.healthline.com/health/patellar-tendonitis

  Pain and tenderness at the base of your kneecap are usually the first symptoms of patellar tendonitis. You may also have some swelling and a burning feeling in the kneecap. Kneeling down or getting up from a squat can be especially painful. […] The pain may at first be sporadic, occurring only after sports or exercise activity. As the tendon becomes more damaged, the pain can become progressively worse. It can interfere with any athletic activity, as well as with daily activities, such as climbing stairs or sitting in a car. […] Recovery for mild injuries can be 3 weeks, while more severe injuries may require 6 to 8 months or more.

• #2 Patella Tendinopathy & the 4-stage management program for 'Jumper’s knee’ — Rayner & Smale

  https://www.raynersmale.com/blog/2015/10/27/understanding-patella-tendinopathy-management-of-jumpers-knee

  Patella tendinopathy is defined as pain and dysfunction in the patella tendon. Clinically, patella tendinopathy presents with localised anterior knee pain and pain with loading tasks such as stairs, jumping, squats, sit to stand, and prolonged sitting (Rudavsky Cook., 2014). […] The following clinical features help support our clinical reasoning and are consistently reported throughout the literature (Malliaras, et al., 2015; Rio, et al., 2015b; Van Ark et a., 2014): Pain over the inferior pole of the patella. Load-dependent nature. Warm up phenomenon – stiff to warm up but eases with activity. Increased pain the day after activity. Pain increases as load increases i.e shallow to deep squat, hopping from a greater height, walking down stairs, decline squat. Pain is rarely experienced at a resting state. Patella tendinopathy is rarely associated with global swelling.

• #2 Patellar Tendinitis: Symptoms, Causes, Diagnosis & Treatments

  https://aidyourtendon.com/tendinitis-injuries/knee-tendonitis/patella-tendonitis.php

  Patellar tendon pain radiates under the knee cap. You might be suffering from Patellar Tendonitis if: You have pain right under your knee cap that disappears after any form of activity, exercise or workout. You find climbing stairs or getting up from a seated position difficult – these actions cause you pain under your knee cap. You have swelling, redness, heat sensation and/or burning pain on the front of your knee around your knee cap. Pain that’s more noticeable when you move your knee or try to kneel. Pain that starts as you begin physical activity or just after an intense workout. If you’re a runner or an active athlete, the pain may get worse while running or participating in sports.(particular difficulty when running down hills) […] If any of those statements are true for you or you’re suffering from on-going pain under your knee cap (patella) then you might have an injury called „Patellar Tendonitis”. This type of tendonitis is usually an injury that athletes get, but it can happen to individuals who aren’t athletes as well. Anyone – young or old – can suffer from this injury, and if you’re active this condition will keep you from doing the things you love to do. It will even start interrupting your normal daily tasks and make living life harder than it really needs to be.

• #2 Patellar tendonitis – Causes, symptoms, and treatment

  https://www.sports-injury-physio.com/post/patellar-tendonitis-causes-symptoms-and-treatment

  It is quite common to experience a delayed increase in pain, i.e. it is only 24 hours after doing an activity or training session that you suddenly experience an increase in pain. […] Patellar tendonitis can sometimes cause pain when you sit with your knee bent for a long period. This is because the injured patellar tendon is under a bit of stretch and compression when your knee is bent, and that can cause it to become irritated if the position is sustained for too long. […] Patellar tendonitis, like all tendon injuries, can take a very long time to heal. Most people will recover and return to full sport within six months. But researchers have found that up to a third of athletes will take longer than six months to recover and often more than a year. […] […] […] Patellar tendonitis recovery time

• #2 Patellar Tendonitis (Jumpers Knee): Symptoms, Diagnosis & Treatment

  https://www.knee-pain-explained.com/patellar-tendonitis.html

  Patellar tendonitis is the result of repetition stress on the patellar tendon causing inflammation and degeneration. […] It causes pain and tenderness below the knee and limits activities. […] Repetitive sporting activities such as kicking and jumping place a large amount of strain on the tendon resulting in microscopic tears, inflammation and the gradual onset and progression of pain. […] Patellar tendonitis usually comes on gradually over time, rather than being caused by a specific incident. There may not be any pain initially, but as the condition progresses and more tears develop, the knee will get gradually more and more painful. […] The symptoms of jumpers knee tend to get worse over time, increasing in frequency and intensity. […] Patellar tendonitis typically progresses through four stages: Stage 1: Pain only after activity which doesn’t affect function. Stage 2: Pain with initial activity that disappears as you warm up, but returns after activity. Performance is not usually affected. Stage 3: Prolonged pain during and after activity with increasing difficulty performing at a satisfactory level. Stage 4: Complete tear of the tendon requiring surgical repair.

• #2 PATELLAR TENDINOPATHY – BreakThrough Physical Therapy

  https://www.breakthroughpt.com/patellar-tendinopathy/

  Athletes participating in sports such as basketball, volleyball, and track field are the most at risk for developing Patellar Tendinopathy, also referred to as jumpers knee. […] Patellar Tendinopathy is an injury to a tendon that causes pain, soreness, stiffness, and swelling. […] Patellar tendinitis is an acute (short term) injury causing inflammation to the patellar tendon, whereas patellar tendinosis is a chronic (long term) injury that involves micro-tears and scar tissue on that same tendon. […] Patellar Tendinopathy consists of several different stages which range from mild discomfort to severe pain and are categorized as the following: Stage 1: A dull ache or pain between the kneecap and the shin that occurs only after activity, without any functional impairment. Stage 2: Localized pain that occurs during and after activity, without any functional impairment. Stage 3: Localized pain that occurs at the beginning of the activity and persists long after the activity is completed. Function is limited. Stage 4: Intense pain is present from the patellar tendon rupturing (complete tear). The knee is unable to function properly and will be extremely limited.

• #2

  https://www.orthobullets.com/knee-and-sports/3015/patellar-tendinitis

  Patellar tendinitis is tendinopathy of the patellar tendon associated with activity-related anterior knee pain. […] Symptoms include insidious onset of anterior knee pain at inferior border of patella. […] In the initial phase, pain follows activity. […] In the late phase, pain occurs during activity and with prolonged flexion („movie theater sign”). […] Diagnosis is primarily made clinically with tenderness to palpation at the distal pole of patella in full extension. […] Pain during and after activity is characteristic of Phase II in the Blazina classification system. […] Persistent pain with or without activities indicates Phase III, which involves deterioration of performance.

• #2 Patellar Tendinitis: Symptoms, Causes, Diagnosis & Treatments

  https://aidyourtendon.com/tendinitis-injuries/knee-tendonitis/patella-tendonitis.php

  Short-term inflammation in the patellar tendon is considered 'patellar tendonitis’. This is where the tendon becomes frayed or torn from an incident (like playing sports / running), or over-use (repetitively participating in the same activities). You may partially or completely tear your patellar tendon. If you completely tear your patellar tendon, your tendon will no longer be attached to your knee cap (patella). Without that attachment you won’t be able to straighten your knee. Partial tearing usually happens to the middle of the patellar tendon, while complete tearing often happens where the patellar tendon connects to the knee cap (patella).

• #2 Patellar tendinitis: What it is, symptoms, causes, evolution and treatment – Blog de Traumatología Deportiva Blog de Traumatología Deportiva Blog

  https://www.barnaclinic.com/blog/traumatologia-deportiva/en/2021/05/27/patellar-tendinitis/

  As I discussed earlier, patellar tendinitis is a frequent overuse injury. It is the consequence of repetitive stress on the patellar tendon. Repetitive stress on the tendon causes acute tendinitis in the early stages. Acute tendinitis is the pain caused by having done excessive exercise that we are not trained for. In this phase, tendinitis is usually fully reversible. It usually responds well to sports rest, local cold and taking oral anti-inflammatories. […] The problem comes when this injury becomes chronic. In this phase there is no acute inflammation, small tears are produced in the tendon. Faced with these tears, the body tries to repair them. Most of the time it does so with abnormal scar tissue that alters the correct structure of the tendon. This causes a vicious cycle, where pain continues to perpetuate, more abnormal repair and we start over.

• #2 Patellar Tendonitis – Treatments & Symptoms | Massachusetts General Hospital

  https://www.massgeneral.org/orthopaedics/sports-medicine/conditions-and-treatments/patella-tendinitis

  If you continue with your activity in the presence of pain, you can usually continue to exercise or perform at a normal level. […] However, if you continue to exercise and dont rest, the pain will become more persistent and will be present before, during and after activity. […] At this stage, you can do permanent damage to the tendon if you continue your activity, and it will take longer to heal.

• #2 Patellar Tendonitis / Jumper’s Knee (Symptoms & Treatments)

  https://www.iphysio.sg/articles/patellar-tendonitis

  Signs and symptoms vary on the severity and the period of time passed since original injury. […] Normally there is pain on touching the inferior pole of the patella as well as recurrent episodes of pain within the body of the tendon. Pain can also be reproduced through resisted knee extensions. Functional tasks involving stairs, hopping/jumping as well as squatting can normally induce the persons pain. […] Acute tendinitis involving an active inflammatory process, if treated correctly, can heal in 3-6 weeks. Chronic patellar tendinopathy involves degenerative changes which occur 6 weeks to 3 months post injury. These changes are notable for the absence of the inflammatory cycle as well as decreased quality and disorganisation of collagen fibers which leads to decreased tensile strength. […] Overuse by athletes leads to this chronic stage which ends up taking 3-6 months to heal.

• #2 PATELLAR TENDINOPATHY: SYMPTOMS, DIAGNOSIS, AND TREATMENT | Mya Care

  https://myacare.com/blog/patellar-tendinopathy-symptoms-diagnosis-and-treatment

  Patellar tendinopathy can progress if proper medical treatment is not applied. If you ignore the signs and symptoms of knee tendinitis, you may severely damage your tendons by causing a patellar tendon tear. […] In most cases, the painful tendon can significantly limit your daily activity. And when left untreated, patellar tendinitis can lead to weakness or even loss of function. For elite athletes, patellar tendonitis can be a career-ending injury. […] If left untreated, this condition can lead to a partial or complete tendon tear, a painful and disabling injury.

• #2 Patellar Tendinopathy – E3 Rehab

  https://e3rehab.com/patellartendinopathy/

  At the most basic level, as I already mentioned, patellar tendon pain and a loss of function related to mechanical loading are required for the diagnosis of patellar tendinopathy. The pain is expected to be localized to the inferior pole of the patella and have a dose-dependent relationship with the magnitude and rate of loading. […] For example, I’d expect a single leg squat to hurt more than a double leg squat. I’d also expect a double leg jump to hurt more than a double leg squat. The patellar tendon is affected more by the speed of the movement, or the rate of loading, and this will be an important consideration for exercise selection and programming. […] Patellar tendinopathy is thought to occur when the intensity, frequency, and volume of patellar tendon loading exceeds your capacity to recover and adapt appropriately. It often comes down to doing too much, too soon although that’ll look slightly different for more active individuals vs less active individuals.

• #2 Patellar tendonitis: The comprehensive guide all runners need to read

  https://www.exakthealth.com/en-US/blog/patellar-tendonitis-the-comprehensive-guide-all-runners-need-to-read

  Pain in the front of the knee is the most common symptom of patellar tendonitis. […] According to research, the two defining symptoms of patellar tendonitis are: Localized pain in the patellar tendon and Pain related to heavy and/or repetitive jumping and landing activities. […] Unlike runners knee (patellofemoral pain syndrome), you’ll most commonly feel patellar tendonitis pain at the lower edge of your kneecap, where the tendon attaches. […] Patellar tendonitis is also called jumpers knee because the pain usually develops or worsens with heavy quads (thigh muscle) work or repetitive jumping and landing activities. […] In runners, the heavy landing when running down hills most often causes patellar tendon pain. […] A typical symptom of patellar tendonitis is getting pain when walking down stairs.

• #2 Patellar tendinitis: What it is, symptoms, causes, evolution and treatment – Blog de Traumatología Deportiva Blog de Traumatología Deportiva Blog

  https://www.barnaclinic.com/blog/traumatologia-deportiva/en/2021/05/27/patellar-tendinitis/

  If you try to ignore the pain and persist with physical activity holding it, it can lead you to increase this vicious circle and make it increasingly difficult to solve the underlying problem. […] To prevent the progression of patellar tendinitis and avoid chronifying the process, we can adopt these measures: […] As soon as you notice pain in your knee from exercising, ice the area and rest. Until you no longer have pain in your patella or knee, avoid activities that put stress on your patellar tendon. It would be about acting in the initial phases of tendinopathy, when it is more easily reversible. […] If all these patellar tendinitis treatment techniques do not work, just like in the case of the FC Barcelona goalkeeper, Marc-Andr Ter Stegen, surgery may be necessary. In these cases, a surgical intervention is performed to remove this abnormal tissue and promote the creation of tendon tissue with the correct characteristics.

• #2 How Long for Patellar Tendonitis to Heal?

  https://www.kneepaincentersofamerica.com/blog/how-long-does-patellar-tendonitis-take-to-heal

  Individuals suffering from patellar tendinitis may experience several notable symptoms, including: […] Pain: Dull ache in the knee that worsens with use. […] Stiffness: Tightness, particularly after periods of inactivity. […] Movement restrictions: Difficulty or pain when jumping, squatting, or climbing stairs. […] In mild cases, an individual may start feeling relief within a few weeks of rest and avoiding aggravating activities. However, more severe cases may require several months of comprehensive management and rehabilitation. […] It is critical for individuals not to rush their recovery. Prematurely resuming activities can lead to setbacks and prolong the healing process. […] Recovery timelines can vary significantly between mild and severe cases of patellar tendonitis. […] Mild: 3 weeks. […] Severe: 3 months or longer. […] In summary, effective treatment for patellar tendonitis encompasses a comprehensive approach, integrating rest, medications, and targeted physical therapy to promote healing and restore function.

• #2 Patellar Tendinitis Specialist in NYC | NY Bone & Joint

  https://nyboneandjoint.com/conditions-treatments/patellar-tendinitis-jumpers-knee/

  Patellar tendonitis is an inflammation of the patellar tendon, the piece of connective tissue which joins the kneecap and the shin. […] The most common symptom of patellar tendonitis is a burning pain around the kneecap. Some patients also experience stiffness, redness, and, in rare cases, swelling in the joint. These symptoms become more pronounced when attempting to bend or extend the knee. […] These conservative courses of treatment should provide mild to significant relief within several days, and most cases of patellar tendonitis should resolve completely in three to four weeks. Depending on the extent of the damage, however, complete recovery may require as long as six to eight months.

• #2 Patellar tendonitis: The comprehensive guide all runners need to read

  https://www.exakthealth.com/en-US/blog/patellar-tendonitis-the-comprehensive-guide-all-runners-need-to-read

  With patellar tendonitis, you will usually have a history of „overdoing it” either during one training session or doing more than your usual activity without enough rest (pain coming on gradually). […] Research suggests that it generally takes a minimum of 6 months to fully recover from patellar tendinopathy, but it can take up to 12 months or more.

• #2 Jumpers Knee – StatPearls – NCBI Bookshelf

  https://www.ncbi.nlm.nih.gov/books/NBK532969/

  „Jumper’s knee,” also called patellar tendinopathy, is a painful condition of the knee, mainly activity-related, caused by small tears in the patellar tendon that mainly occurs in sports requiring strenuous jumping and results in localized patellar tendon tenderness. The condition has a male predominance, with a more common occurrence in adolescents and young adults. Jumper’s knee is a clinical diagnosis through detailed history taking and a physical exam. Treatment mainly revolves around conservative measures such as reducing activities that place a loading impact on the knee. Once the pain subsides, restoration of function is achieved through physical and exercise therapy. Jumper’s knee occurs more often in males. Approximately 45% of elite jumping athletes and up to 14% of recreational jumping athletes will have jumper’s knee symptoms at any point during their career. Most cases of patellar tendinopathy will resolve with nonoperative management. Nevertheless, mild to moderate pain may persist for 15 years in adult athletes with patellar tendinopathy but does not appear to limit leisure-time physical activity. A previous study that used imaging technology to classify the severity of the lesion said that mild pathologies might take anywhere from 20 days for the patient to return to sport, whereas more severe cases might take 90 days. Patellar tendinopathy may cause long-lasting symptoms that can lead to the athlete’s early retirement from the sport.

• #2 Tendonitis in the Knee | Orthopedics | Mercy Health

  https://www.mercy.com/health-care-services/orthopedics-sports-medicine-spine/specialties/knee-leg/conditions/patellar-tendonitis

  The most common symptoms of patellar tendonitis include pain and tenderness at the base of the kneecap. Pain may be mild at the onset but progressively worsen without prompt treatment. […] Other symptoms of tendonitis in the knee include swelling and burning sensation. […] Recovery from patellar tendonitis depends upon the severity of your case. The longer you continue your normal routine before treatment, the longer your recovery will be.

• #2 Nationally Recognized Pain Doctor | What Does Knee Tendonitis Feel Like? And Other FAQs

  https://kneepaindoctornyc.com/what-does-knee-tendonitis-feel-like/

  Knee tendonitis is an inflammatory condition that affects the connective tissues in the knees. If you have knee tendonitis, you may experience pain and tenderness around the patellar tendon, swelling, pain while jumping and running, knee pain when bending the knees, or knee pain when straightening the legs. […] The following are the common symptoms of knee tendinitis: Pain between the kneecap and shinbone, Sharp pain under the kneecap, Pain above kneecap, Unable to straighten the knee, Knee pain when bending, Knee pain when straightening legs, Tenderness on the lowest part of the kneecap. […] The duration of recovery depends on the grade of patellar tendinitis and your efforts. If you continue engaging in physical activities, you wont heal effectively. […] The symptoms of knee tendonitis usually start with grade 1, which refers to a mild strain or slight pull. If you dont stop your physical activities, you may eventually experience grade 2 tendinitis (moderate strain) or, in extreme cases, grade 3 tendinitis (complete rupture). […] If you ignore the symptoms of a jumpers knee, you might eventually suffer from chronic tendonitis or a complete tendon rupture (grade 3 tendinitis).

• #2 5 Signs You’re Dealing with Patellar Tendinitis | LA Pain Doctor

  https://lapaindoc.com/5-signs-youre-dealing-with-patellar-tendinitis/

  Left untreated, overuse injuries like patellar tendinitis can get worse and, ultimately, force you to significantly curb or even quit your active lifestyle. […] It’s impossible to say how long it will take for your patellar tendon to heal, but studies show that a return to sports can take anywhere from 20 to 90 days, or more, depending on the severity of your tissue damage.

• #2 Will Patellar Tendonitis Ever Go Away? Treatment & Recovery

  https://www.medicinenet.com/will_patellar_tendonitis_ever_go_away/article.htm

  Patellar tendonitis typically goes away in about 6 weeks, although full recovery may take several months of rest, medications, and physical therapy. Pain may resolve in 3-4 weeks. […] If left untreated, patellar tendonitis can worsen over time and even cause chronic knee pain. […] In patellar tendonitis, symptoms may worsen slowly. Initially, you may feel mild knee pain that gets sharper and more severe over time. Sometimes the symptoms may cause difficulty in performing daily tasks. […] Symptoms may include: Pain or a dull ache that occurs in the top of the shinbone right under the kneecap, Swelling and tenderness around the knee, Stiffness that makes extending the knee difficult, Severe pain while squatting and walking down the stairs, Tearing and popping sounds with movement, in extreme cases.

• #2 Patellar Tendonitis Information – Emory Orthopaedics and Spine Center

  https://www.emoryhealthcare.org/conditions/orthopedics/patellar-tendonitis

  Patellar tendinitis is characterized by inflammation and pain at the patellar tendon (the tendon below the kneecap). […] Common Signs Symptoms of Patellar Tendonitis: Pain, tenderness, swelling, warmth, or redness over the patellar tendon, most often at the lower pole of the patella (kneecap) or at the tibial tubercle (bump on the upper part of the lower leg). […] Pain and loss of strength (occasionally) with forcefully straightening the knee (especially when jumping or when rising from a seated or squatting position) or bending the knee completely (squatting or kneeling). […] Crepitation (a crackling sound) when the tendon is moved or touched. […] Patellar Tendonitis is usually curable within 6 weeks if treated appropriately with conservative treatment and resting of the affected area. […] Prolonged healing time if not appropriately treated or if not given adequate time to heal. […] Recurrence of symptoms if activity is resumed too soon, with overuse, with a direct blow, or when using poor technique. […] Untreated, tendon rupture requiring surgery.

• #2 Patellar Tendonitis | Symptoms, Diagnosis & Treatment

  https://www.cincinnatichildrens.org/health/p/patellar-tendonitis

  Patellar tendonitis happens over time with no specific injury. The patellar tendon becomes inflamed, and the athlete feels pain on the front surface of the knee. This pain is often described as an ache. The area directly over the tendon will be tender. It may be swollen. At first the pain may only happen at the start or the end of exercise that involves running, jumping and squatting. It also may happen during everyday actions like standing, sitting for a long time, or using stairs. […] Athletes often respond very well to the treatment for patellar tendonitis. If left untreated, the patellar tendon can become thickened and more painful. In severe cases, the athlete is at risk for tearing the patellar tendon or needing surgery for cyst formation.

• #2 Patellar Tendinopathy (MSK Patient Portal) – NHS Ayrshire & Arran

  https://www.nhsaaa.net/musculoskeletal-msk-service-patient-portal/knee-msk-patient-portal/patellar-tendinopathy-msk-patient-portal/

  Patellar tendinopathy is a relatively common soft tissue injury. It affects the tendon at the front of your knee, below your knee cap (patella). This tendon is known as the patellar tendon. […] The cause of patellar tendinopathy is still not fully understood. However, research suggests that it is an overuse injury that occurs when the tendon is unable to adjust to the level of strain that you have placed in this soft tissue. This leads to repeated small tears within the small tendon fibres and as the tendon tries to repair itself the area becomes painful and thickened. […] If the symptoms have been developing over a period of time the tendon may look thickened and can mistakenly suggested as swelling. However, if the tendon is gently squeezed pain will be created. […] Morning stiffness can be noticed around the tendon when you get up first thing in the morning and activities such as going downstairs may be painful. This stiffness usually eases after a few minutes of walking but can last longer in some cases.

• #2 What is Patellar Tendonitis? Symptoms, Causes, Diagnosis & Physiotherapy Treatment of Patellar Tendonitis…. – CB Physiotherapy

  https://cbphysiotherapy.in/condition/patellar-tendonitis

  Patellar tendonitis may cause minor to severe pain which worsens over time. The condition becomes debilitating if left untreated. Symptoms of patellar tendinitis include: […] Dull aching pain at the top of the shinbone, under the kneecap, […] Stiffness, that makes it hard to extend the knee, […] Swelling and tenderness present in the area between the kneecap and the shin, […] Intense movements aggravate pain, such as squatting, running, jumping, or walking down the stairs, […] Over some time, the pain worsens and starts to interfere with playing sports, […] Pain by daily movements such as climbing stairs or rising from a chair. If patellar tendonitis is not treated, a person may have a risk of tendon tear. A large tear of the patella tendon is a serious injury, and a complete tear separates the tendon from the kneecap. The person may hear a tearing or popping sound with significant pain.

• #2 Patellar tendinitis – Diagnosis & treatment – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/patellar-tendinitis/diagnosis-treatment/drc-20376118

  During the exam, your doctor may apply pressure to parts of your knee to determine where you hurt. Usually, pain from patellar tendinitis is on the front part of your knee, just below your kneecap. […] Pain relievers such as ibuprofen (Advil, Motrin IB, others) or naproxen sodium (Aleve, others) may provide short-term relief from pain associated with patellar tendinitis. […] A variety of physical therapy techniques can help reduce the symptoms associated with patellar tendinitis, including: […] If conservative treatments don’t help, your doctor may suggest other therapies, such as: […] If your knee hurts, consider the following: […] If you have knee pain during or after physical activity that doesn’t improve with ice or rest, see your doctor.

• #2 Sports Injuries Specialist | Patellar Tendonitis – Jumper’s Knee

  https://www.drsatishortho.com/orthopedic-conditions/knee/patellar-tendonitis-jumpers-knee

  Patellar tendinitis usually develops over a period of time, and hence, it goes unrecognized. Anyone experiencing discomfort or pain in the knee area should immediately seek medical advice. Those who have had a history of patellar tendonitis should be extra careful that the condition does not get repeated, or else it might take a longer time for recovery.

• #2 Patella Tendinopathy & the 4-stage management program for 'Jumper’s knee’ — Rayner & Smale

  https://www.raynersmale.com/blog/2015/10/27/understanding-patella-tendinopathy-management-of-jumpers-knee

  The hallmark features for the diagnosis of patella tendinopathy are pain localised to the inferior pole of the patella and load-related pain that increases as demand on the knee extensors increases, notably with activities that require the storage and release of energy from the tendons (Malliaras, e al., 2015, p. 1-3). […] Throughout the literature the single leg decline squat has been used to evaluate pain under load. It is used to determine if there is pain at 60 degrees knee flexion and a 0-10 rating of pain is gained during the test. Many authors will highlight that this test is not sensitive to different causes of anterior knee pain and therefore as a single test, holds poor diagnostic utility (Purdam, et al., 2004; Rio, et al., 2015; Van Ark, et al., 2014). […] Medical imaging such as ultrasound and MRI are used to assist with the differential diagnosis of anterior knee pain (Malliaras, et al., 2015; Rudavsky Cook, 2014). We don’t always use it to try diagnose this problem but to look for other causes of pain and we don’t often use ultrasound as a first line treatment because there is a disconnect between imaging and pain for patella tendinopathy (Rudavsky Cook, 2014).

• #2

  https://www.hingehealth.com/resources/articles/jumpers-knee/

  Patellar tendonitis symptoms typically include: […] Pain in the knee that worsens with activity, especially when jumping, squatting, running, or going up and down stairs. […] Swelling. […] Tenderness when pressing just below the kneecap. […] Knee stiffness. […] If you’re doing regular strengthening and stretching exercises, you should gradually see a decrease in pain and an increase in your ability to do your daily activities over time. […] Patellar tendonitis is sometimes mistaken for other injuries such as meniscal injuries, patellofemoral syndrome, quadriceps injury like a strain or tendonitis, or knee bursitis.

• #2 What Is Patellar Tendonitis? – Dr. Roger Chams

  https://www.drrogerchams.com/practice-expertise/knee-conditions/patellar-quadriceps-tendonitis/

  Signs and Symptoms of tendonitis in either the patellar or quadriceps tendons most commonly are associated with a dull ache overlying the anterior or front of the knee. Typically begins gradually and as activity continues or if left untreated symptoms worsen. […] As symptoms worsen, the dull ache becomes sharp. Symptoms can become debilitating especially with repetitive climbing, squatting, jumping and lunging. Additionally, bouts of instability may occur from pain and weakness, stiffness with prolonged sitting and generalized knee swelling. Untreated, chronic inflammation can lead to weakening of the tendon, disruption of blood supply to maintain tendon health leading to rupture. […] Signs and Symptoms of tendon tears will typically present acutely and traumatically. Caused by a force fall or jump. Severe pain, swelling, redness, discoloration, deformity, extreme weakness to extend the knee straight from a flexed (bent) position and inability to bear weight on the injured extremity.

• #2 Understanding Jumper’s Knee: Symptoms and Treatment – Sport Doctor London

  https://sportdoctorlondon.com/jumpers-knee/

  Commonly, patellar tendinitis causes pain at the site of tendon swelling right below the knee. Usually, tendon pain worsens with high-intensity running or jumping. After sport, pain right under the knee usually settles after 1-2 days. Also, pain can occur with sitting or driving. The tendon is usually swollen and tender to the touch. […] Usually, a simple ultrasound confirms tendon thickening right below the knee. In addition, blood vessels often grow in the tendon. We think these blood vessels are a source of pain. Often, MRI is useful to rule out other causes of knee pain, such as kneecap arthritis, fat pad impingement, or patellofemoral arthritis.

• #2 Patellar Tendonitis – Causes, Symptoms, Diagnosis and Treatment

  https://carrothersorthopaedics.co.uk/patellar-tendonitis-causes-symptoms-diagnosis-treatment/

  The symptoms of patellar tendonitis include pain, swelling and tenderness in the front part of your knee just below your kneecap. You may experience increased pain when you jump, run or walk, as well as when bending or straightening your leg. Over time, the pain may start to worsen, until eventually you may find it difficult to perform everyday activities such as walking, going upstairs or getting up from a chair. […] If you start to experience pain in and around your kneecap, it is advisable to rest the affected area. If the pain is getting worse and starting to affect your everyday activities or if you have swelling and redness around the joint, you need to see a doctor. They will carry out a physical examination to see where the pain is coming from. You may be referred for an ultrasound which can reveal any tears in your patellar tendon, an MRI scan which can provide detailed images of the affected area or an X-ray to rule out other possible causes of knee pain.

• #2 PATELLAR TENDINOPATHY – BreakThrough Physical Therapy

  https://www.breakthroughpt.com/patellar-tendinopathy/

  If you are experiencing Patellar Tendinopathy or knee pain, follow these steps to ensure a fast and sound recovery: When you experience pain or discomfort in your knee, immediately stop your physical activities and rest the knee. Alleviate the knee with the R.I.C.E. method. (Rest, Ice, Compression, Elevation)

• #3 Patellar Tendonitis – Rheumatology Advisor

  https://www.rheumatologyadvisor.com/ddi/patellar-tendonitis/

  Patellar tendonitis presents with a history of activity-related anterior knee pain. Symptoms initially appear after sports activity, particularly sports involving jumping. Repetitive loading over a single session or with insufficient rest between sessions leads to tears and altered mechanics of the tendon. Individuals will report highly localized pain and indicate the areas of the distal patellar pole and proximal patellar tendon. Generally, there is no precipitating incident, and pain develops gradually. As the condition progresses, pain can be brought on by any activity, or it can become continuous. […] Patellar tendonitis is an inflammatory disorder that often manifests following persistent activity-related anterior knee pain that develops gradually. Symptoms related to patellar tendonitis are typically related to sports involving jumping such as basketball, volleyball, athletic jump events, tennis, and football. Due to the repetitive trauma and infrequent rest, tears and malformations occur in the tendon. Progressively, the patellar tendonitis pain can be incidental or continuous.

• #3 Patellar Tendonitis: Symptoms & Treatment | Mass General Brigham

  https://www.massgeneralbrigham.org/en/patient-care/services-and-specialties/sports-medicine/conditions/knee/patellar-tendonitis

  The first and most common symptom of patellar tendonitis is pain, typically below your kneecap. It often starts as aching in your knee following physical exertion such as playing sports or working out and then can progress to sharp, activity related, stabbing pain. While your symptoms may not always be the same, they can progress to the point where they interfere with everyday movements such as standing up or using stairs. […] Other common symptoms of patellar tendonitis include: Pain and tenderness in your knee or behind your kneecap, Swelling, Difficulty jumping, running, or walking, Pain when bending or straightening your leg. […] Pain (often sharp or stabbing), tenderness, or burning sensations are all symptoms of patellar tendonitis. You may also experience swelling in your knee and pain when you try to kneel or squat down.

• #3 Patellar tendinitis: What it is, symptoms, causes, evolution and treatment – Blog de Traumatología Deportiva Blog de Traumatología Deportiva Blog

  https://www.barnaclinic.com/blog/traumatologia-deportiva/en/2021/05/27/patellar-tendinitis/

  As I discussed earlier, patellar tendinitis is a frequent overuse injury. It is the consequence of repetitive stress on the patellar tendon. Repetitive stress on the tendon causes acute tendinitis in the early stages. Acute tendinitis is the pain caused by having done excessive exercise that we are not trained for. In this phase, tendinitis is usually fully reversible. It usually responds well to sports rest, local cold and taking oral anti-inflammatories. […] The problem comes when this injury becomes chronic. In this phase there is no acute inflammation, small tears are produced in the tendon. Faced with these tears, the body tries to repair them. Most of the time it does so with abnormal scar tissue that alters the correct structure of the tendon. This causes a vicious cycle, where pain continues to perpetuate, more abnormal repair and we start over.

• #4 Jumper’s Knee (for Parents) | Nemours KidsHealth

  https://kidshealth.org/en/parents/jumpers-knee.html

  Common symptoms of jumper’s knee include: pain below the kneecap, especially during sports, climbing stairs, and bending the knee […] a swollen knee joint […] knee stiffness. Jumper’s knee usually affects people who play sports where there is a lot of jumping and running, such as track and field, basketball, volleyball, gymnastics, running, and soccer. If someone with jumper’s knee does not rest the knee, the tendon can become more damaged. It will probably take a few weeks to months for your child to recover from jumper’s knee. After recovery, your child should always stretch before and after sports, and avoid overtraining. This can help prevent jumper’s knee and other sports injuries too.

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