Materiały źródłowe

• #1 Hamstring Injuries in the Athlete: Diagnosis, Treatment, and Return to Play

  https://pmc.ncbi.nlm.nih.gov/articles/PMC5003616/

  Hamstring injuries are very common in athletes. Acute hamstring strains can occur with high-speed running or with excessive hamstring lengthening. A thorough history and examination is important to determine the appropriate diagnosis and rule out other causes of posterior thigh pain. MRI and ultrasound are effective for identification of hamstring strains and tendinopathy, but have not demonstrated correlation with return to play. The history and physical examination are essential when treating an athlete with a suspected hamstring injury. Imaging can play a role in diagnosis of acute hamstring strains and chronic proximal hamstring tendinopathy. Athletes with hamstring strain injuries will typically describe sudden onset of sharp, stabbing or twinge-like posterior thigh pain. Patients with acute hamstring strains may report difficulty continuing the activity or sport. Patients with proximal hamstring tendinopathy do not usually recall a specific inciting event, and report gradual increase of pain in the posterior thigh. Physical examination of a patient with a suspected hamstring injury should include inspection and palpation of the affected region, passive stretch of the hamstring muscles and resistance testing of the hamstring muscle. Imaging is usually not needed to make the diagnosis of an acute hamstring strain. Both ultrasound and MRI have been shown to effectively identify and assess the extent of acute hamstring strain injuries. For hamstring tendinopathy, MRI and ultrasound can be used for diagnostic purposes. The differential diagnosis of posterior thigh pain includes hamstring tendon avulsion injury, ischial apophyseal avulsion, stress fractures, adductor muscle strain, referred posterior thigh pain from the lumbar spine, hip joint, or sacroiliac joint and ischiogluteal bursitis.

• #1 Hamstring Pull Diagnosis

  https://aidyourhamstring.com/pulled-hamstring/pulled-hamstring-diagnosing.php

  To help your doctor achieve a proper diagnosis, he/she will begin with a medical history about you, your current condition and symptoms. […] A physical examination will be performed to determine if you have any signs of a pulled hamstring. […] Most grade 1 or 2 hamstring strains don’t require diagnostic testing, however these tests will help confirm if you have a grade 3 strain and/or will rule out other causes of hamstring pain. […] X-rays will provide a two-dimensional image of the overall structure of your hamstring and upper leg (pelvis, femur and knee). […] CT scans (computed tomography) and diagnostic ultrasounds may be used to look internally at the hamstring muscles. […] MRIs (magnetic resonance imaging) will provide more detailed information and will help to evaluate the soft tissues in and around your hamstring (muscles, tendons, ligaments, fascia, and other connective tissues). […] They can identify ligament or tendon damage, and can help to determine the extent of your injury, the grade of your tear or inflammation, as well as other associated conditions.

• #1 Hamstring injury – Diagnosis and treatment – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/hamstring-injury/diagnosis-treatment/drc-20372990

  During the physical exam, a health care provider checks for swelling and tenderness along the back of the thigh. Where the pain is and how bad it is can give good information about the damage. […] Moving the injured leg into different positions helps a provider pinpoint which muscle is hurt and whether there is damage to ligaments or tendons. […] In severe hamstring injuries, the muscle can tear or even separate from the pelvis or shinbone. When this happens, a small piece of bone can be pulled away from the main bone, known as an avulsion fracture. X-rays can check for avulsion fractures, while ultrasound and MRIs can show tears in the muscles and tendons. […] Your health care provider or a physical therapist can show you how to do gentle hamstring stretching and strengthening exercises. After the pain and swelling go down, your provider can show you how to do exercises to build more strength. […] Most hamstring injuries that involve partial tearing of the muscles heal over time and with physical therapy. If the muscle has pulled free from the pelvis or shinbone, orthopedic surgeons can reattach it. Severe muscle tears also can be repaired.

• #1 Hamstring Injuries: Causes, Symptoms, Diagnosis and Treatment

  https://carrothersorthopaedics.co.uk/hamstring-injuries-causes-symptoms-diagnosis-treatment/

  If you are unable to put weight on the injured leg or walk more than a few steps without pain you will need to seek medical advice. […] Your doctor will carry out a physical examination, checking for swelling and tenderness in the back of the thigh. They may move your leg into different positions to ascertain which muscles are injured and whether there is also ligament or tendon damage. […] Hamstring injuries are generally graded from one to three mild to severe. […] You may be referred for an ultrasound or MRI scan to check for tears in the muscle or tendon. If your doctor suspects an avulsion fracture you may also be given an X-ray or a CT scan.

• #1 Hamstring Tears: Diagnosis

  https://www.sports-health.com/sports-injuries/leg-injuries/hamstring-tears-diagnosis

  Like with most musculoskeletal injuries, a patient history and physical exam performed by a qualified clinician can often lead to an accurate diagnosis for acute hamstring injuries. […] A clinician may determine the severity of the hamstring tear (grade 1 to 3) according to pain and physical limitations, including weakness and loss of motion. […] The diagnostic process will include a patient interview and physical exam and possibly medical imaging: […] A clinician conducting a physical exam may be able to use his or her hands to find where the injury is located; a hamstring tear will often cause a thickening and swelling of soft tissue. […] Medical imaging tests are not needed in all cases. However, if the injury is severe, the diagnosis is uncertain, or a precise location for the injury is needed, imaging tests can be advantageous.

• #1 Hamstring Tears: Diagnosis

  https://www.sports-health.com/sports-injuries/leg-injuries/hamstring-tears-diagnosis

  Advanced imaging with MRI or dynamic ultrasound imaging (sonography) may be required to determine the level and severity of injury. […] While MRI has been the gold standard for diagnostic imaging of hamstring injuries, musculoskeletal ultrasound can provide several advantages over X-ray, CT, and MRI tests, including decreased cost, portability, lack of ionizing radiation, and exquisite soft tissue imaging. […] Ultrasound imaging also allows medical professionals to dynamically test the tissues to view how the hamstring changes during movement in real time to rule out other diagnoses or determine severity.

• #1 Hamstring Muscle Strain: Prevention and Treatment

  https://www.yashodahospitals.com/diseases-treatments/hamstring-muscle-strain-diagnosis-prevention-treatment/

  The first step towards a complete and accurate diagnosis of hamstring injury involves a physical examination in which the doctor checks the thigh for swelling and bruising to determine if the injury is mild or severe. This is followed by a few diagnostic assessments: […] X-rays: To check if the bone is fractured […] MRI: To check the tear in the muscle tissue […] Ultrasound: To produce a detailed image of muscles and analyze the size and location of the tear. […] The orthopedic team here at Yashoda Hospitals is highly trained to cure problems such as hamstring injury. Our experienced team of doctors with the help of advanced technology and equipment which are available at our centers will diagnose the condition and provide the patient with the best possible treatment.

• #1 Hamstring Muscle Injuries – OrthoInfo – AAOS

  https://orthoinfo.aaos.org/en/diseases–conditions/hamstring-muscle-injuries/

  Imaging tests that may help your doctor confirm your diagnosis include: […] An X-ray can show your doctor whether you have a hamstring tendon avulsion. This is when the injured tendon has pulled away a small piece of bone. […] An MRI creates images of soft tissues like the hamstring muscles. It can help your doctor determine the severity of your injury. […] Treatment of hamstring strains depends on the type of injury you have, its severity, and your own needs and expectations. […] Most hamstring strains heal very well with simple, nonsurgical treatment. […] Surgery is most often performed for tendon avulsion injuries, where the tendon has pulled completely away from the bone. […] Rehabilitation for a proximal hamstring repair typically takes at least 6 months, due to the severity of the injury.

• #1 Kindly explain my MRI report for hamstring pain.

  https://www.icliniq.com/qa/hamstring-injury/what-does-my-mri-report-for-hamstring-pain-indicate

  You have findings suggestive of a hamstring injury involving the left side hamstring muscles from the level of the isccial tuberosity attachment (in the pelvis area) and continuing to the biceps femoris proximal tendon and in to the upper and mid thigh areas and the myotendinous part along the posterior medial part of the thigh. […] As you have MRI findings showing left hamstring injury, you do need to recover and avoid stressful physical activity to your left hamstrings. However the exact nature of active lifestyle is best commented upon after a detailed clinical evaluation. […] There is hamstring muscle strain injury. There is no disruption of fibres so we may not call it a tear. On MRI grading there is grade I injury.

• #1

  https://link.springer.com/article/10.1007/s00167-012-2055-x

  Imaging provides information on the nature and extent of hamstring injuries. […] MRI and US are the most suitable imaging techniques for depicting hamstring injuries. […] MRI is more sensitive for identifying minimal injuries, with less than 5 % of muscle involved: the radiological definition of a grade-I muscle injury. […] An accurate prognosis can be obtained on the basis of a thorough clinical assessment. […] Different classification systems are provided in the literature. […] Imaging is a valuable addition. […] A substantial part of supposed hamstring injuries are negative on MRI (14-45 %). […] Athletes sustaining a recurrent hamstring injury have a longer convalescent period compared to a first-time hamstring injury. […] Important prognostic factors related to a longer rehabilitation period are MRI-positive muscle tears, larger extent of the muscle tear as seen on MRI, recurrent hamstring injury and injury mechanism.

• #1

  https://journal.aspetar.com/en/archive/volume-2-targeted-topic-hamstring-injuries/clinical-and-imaging-diagnosis-and-grading-of-hamstring-injuries

  Currently there is scientific evidence for the use of MRI grading systems of posterior thigh injuries that are clinically and prognostically useful. […] The diagnosis and prognosis of hamstring injuries is a field that has developed significantly over recent years. […] Like most areas of sports medicine and sports injuries, further research is needed to elucidate a final diagnostic (clinical and MRI) pathway that enables useful information with respect to a safe (no recurrent injury) return to sport to be given to both the injured players and their treating doctors.

• #2 Hamstring Injury Diagnosis | Rehab 4 Performance

  https://rehab4performance.com/hamstring-injury-diagnosis/

  Hamstring injuries are common among athletes and active individuals, and they refer to any type of damage to the muscles or tendons in the back of your thigh. […] A hamstring injury would be strongly suspected when an individual feels a sharp pain or popping sensation at the back of the thigh during activity however they dont always result in a sudden pain and can also come on as a more gradual tightness or cramp sensation (especially in the presence of muscle fatigue). This is why accurate assessment and diagnosis of the injury by a physiotherapist (physical therapist) or sports medicine doctor is so important. […] When you visit a Physiotherapist or Sports Medicine Doctor such as those here at R4P Liverpool they will carry out a complete assessment of the injured muscle and grade it based on the severity.

• #2

  https://link.springer.com/article/10.1007/s00167-012-2055-x

  Identification of the most relevant diagnostic and prognostic factors of physical examination and imaging of hamstring injuries in (elite) athletes. […] Medical history, inspection and palpation of the muscle bellies and imaging are most valuable at the initial assessment according to the literature. […] Experts considered medical history, posture and gait inspection, inspection and palpation of muscle bellies, range of motion tests, manual muscle testing, referred pain tests and imaging to be most important in the initial assessment of hamstring injuries. […] Magnetic resonance imaging (MRI) is preferred over ultrasonography and should take place within 3 days post-trauma. […] Important prognostic factors are injury grade, length of the muscle tear on MR images, MRI-negative injuries and trauma mechanism.

• #2 Hamstring Injury: Recovery Time, Treatment & Symptoms

  https://my.clevelandclinic.org/health/diseases/17039-hamstring-injury

  Healthcare providers grade hamstring injuries based on how much the injury tears your muscle. Higher grade hamstring injuries will cause more severe and noticeable symptoms. […] A healthcare provider can usually diagnose a hamstring injury with a physical exam. Imaging tests can show more about the injury. […] Your provider may use a few tests to see the damage around your hamstring and to help diagnose and grade the injury. An X-ray will show any damage on your bones where your hamstring connects. Some hamstring injuries happen alongside broken bones. You may need an MRI or ultrasound to show how injured your hamstring is. […] Visit a healthcare provider if you have hamstring injury symptoms that last for more than few days. Go to the emergency room if you experience severe pain or cant move or use your leg at all.

• #2 Hamstring Injury: Recovery Time, Treatment & Symptoms

  https://my.clevelandclinic.org/health/diseases/17039-hamstring-injury

  It depends on how severe the original injury is. Lower-grade hamstring tears will heal faster than more severe injuries. If you have a grade 1 injury, you might need less than a week to feel better. Grade 2 and grade 3 injuries will take longer to heal. It can take up to several months. Your recovery will be longer if you needed surgery.

• #2 Hamstring Strain Injuries: Recommendations for Diagnosis, Rehabilitation and Injury Prevention

  https://pmc.ncbi.nlm.nih.gov/articles/PMC2867336/

  The absence of a specific injury mechanism should lead the examiner to consider other potential sources of posterior thigh pain. […] Imaging procedures may be required for the final determination of injury location and to rule out other possible causes of inguinal pain. […] Recent MR-imaging studies of acute grade I and II hamstring strain injuries have indicated that abnormalities (eg, edema) can confirm the presence and severity of injury, as well as provide a reasonable estimate of the rehabilitation period. […] Findings from the initial examination are less valuable in estimating risk of injury recurrence. […] The high recurrence rate of hamstring injuries has led to speculation regarding the appropriateness of commonly employed rehabilitation strategies. […] The primary objective of a rehabilitation program following a hamstring strain injury is to return the athlete to sport at prior level of performance with minimal risk of injury recurrence.

• #2 The Radiology Assistant : Hamstring injury

  https://radiologyassistant.nl/musculoskeletal/muscle/hamstring-injury

  The diagnosis of a hamstring injury is a clinical one and fairly straightforward. The role of MRI is not to determine the presence or absence of injury, but to determine whether there is a partial or full thickness tear. […] Full thickness tears are typically injuries to the free tendons or the insertion of the tendons on the ischial tuberosity. In these injuries the question is whether a surgical repair is needed. […] Partial thickness injuries are most often injuries to the musculotendinous or musculofascial junction. These injuries usually do not require surgery. The goal of imaging is to determine the prognosis and to guide the return to normal function. […] BAMIC is the most commonly used classification system for hamstring injuries. Grade 0-3 are partial thickness injuries. An additional suffix 'a’, 'b’ or 'c’ indicates if the partial thickness injury is: a – myofascial, b – musculo-tendinous, c – intratendinous. Grade 4 is a full thickness tear with or without retraction.

• #2 Hamstring Tears: Diagnosis

  https://www.sports-health.com/sports-injuries/leg-injuries/hamstring-tears-diagnosis

  Advanced imaging with MRI or dynamic ultrasound imaging (sonography) may be required to determine the level and severity of injury. […] While MRI has been the gold standard for diagnostic imaging of hamstring injuries, musculoskeletal ultrasound can provide several advantages over X-ray, CT, and MRI tests, including decreased cost, portability, lack of ionizing radiation, and exquisite soft tissue imaging. […] Ultrasound imaging also allows medical professionals to dynamically test the tissues to view how the hamstring changes during movement in real time to rule out other diagnoses or determine severity.

• #2 Hamstring Injuries: Grades, Symptoms, & Treatment | Mass General Brigham

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

  The hamstring muscles and tendons along the back of the thigh play an active role in allowing the leg to bend and stretch. A hamstring injury occurs when the muscles or tendons strain or tear, causing hamstring pain and making mobility difficult. The recovery time depends on the hamstring injury’s grade and severity. […] A provider diagnoses a hamstring injury with a physical examination and uses imaging technology to check the grade of injury. […] A physical examination is typically enough to diagnose a hamstring injury and often includes: Questions about the injury and the location of the pain, An examination of tenderness, swelling, and bruising, Range of motion and strength tests. […] In cases of a physical exam, a provider is looking to determine the location of pain and hamstring strength. A magnetic resonance imaging (MRI) scan can provide detailed information on the extent of the tear, especially in more extreme injuries.

• #2

  https://journals.lww.com/acsm-csmr/fulltext/2016/05000/hamstring_injuries_in_the_athlete__diagnosis,.16.aspx

  Hamstring injuries are very common in athletes. A thorough history and physical examination is important to determine the appropriate diagnosis and rule out other causes of posterior thigh pain. Imaging can play a role in diagnosis of acute hamstring strains and chronic proximal hamstring tendinopathy. Athletes with hamstring strain injuries will typically describe sudden onset of sharp, stabbing, or twinge-like posterior thigh pain. Patients with acute hamstring strains may report difficulty continuing the activity or sport. Physical examination of a patient with a suspected hamstring injury should include inspection and palpation of the affected region, passive stretch of the hamstring muscles, and resistance testing of the hamstring muscle. Imaging is usually not needed to make the diagnosis of an acute hamstring strain. Both ultrasound and magnetic resonance imaging (MRI) have been shown to effectively identify and assess the extent of acute hamstring strain injuries. For hamstring tendinopathy, MRI and ultrasound can be used for diagnostic purposes. The differential diagnosis of posterior thigh pain includes hamstring tendon avulsion injury, ischial apophyseal avulsion, stress fractures, adductor muscle strain, referred posterior thigh pain from the lumbar spine, hip joint, or sacroiliac joint and ischiogluteal bursitis.

• #2 Hamstring injury | Radiology Reference Article | Radiopaedia.org

  https://radiopaedia.org/articles/hamstring-injury-1?lang=us

  Hamstring injuries are the most common muscle injury, and are very common in athletes and can cause a significant loss of playing time depending on the sport. […] Amongst professional athletes, hamstring injuries are reported to make up 15% of all injuries in Australian Football players and 12% of injuries among soccer players. […] Clinically, hamstring injuries can be graded as: grade 1: no appreciable muscle tearing, 5% loss of function/strength; grade 2: damage to the musculotendinous junction (MTJ); reduced strength; some residual function; grade 3: complete tear of the myotendinous junction; loss function +/- a palpable gap. […] Return to play is largely predicted by clinical assessment with a poor correlation between imaging-based grading systems and time to return to play. […] Prognostic factors affecting a longer rehabilitation and thus delayed return to play include proximal free tendon injury, proximity to the ischial tuberosity, grade 3 injury (i.e. grade 1 and 2 injuries are not associated with time to return to play).

• #2 Hamstring Muscle Injuries – OrthoInfo – AAOS

  https://orthoinfo.aaos.org/en/diseases–conditions/hamstring-muscle-injuries/

  Most people who injure their hamstrings will recover full function after completing a rehabilitation plan. Early treatment with a plan that includes the RICE protocol and physical therapy has been shown to result in better function and quicker return to sports. […] Platelet-rich plasma (PRP) is currently being investigated for its effectiveness in speeding the healing of hamstring muscle injuries.

• #2 Kindly explain my MRI report for hamstring pain.

  https://www.icliniq.com/qa/hamstring-injury/what-does-my-mri-report-for-hamstring-pain-indicate

  You have findings suggestive of a hamstring injury involving the left side hamstring muscles from the level of the isccial tuberosity attachment (in the pelvis area) and continuing to the biceps femoris proximal tendon and in to the upper and mid thigh areas and the myotendinous part along the posterior medial part of the thigh. […] As you have MRI findings showing left hamstring injury, you do need to recover and avoid stressful physical activity to your left hamstrings. However the exact nature of active lifestyle is best commented upon after a detailed clinical evaluation. […] There is hamstring muscle strain injury. There is no disruption of fibres so we may not call it a tear. On MRI grading there is grade I injury.

• #3 Hamstring Injury Treatments | Pursuit Physical Therapy

  https://pursuittherapy.com/hamstring-tears

  What is a hamstring injury? Can it be treated? How is it diagnosed? How can it be treated? How can it be prevented? What are next steps? […] Diagnosis of hamstring injuries starts with a thorough understanding of your health history and the cause of the injury. The questions your therapist may ask include: If you have had a similar injury before, What you were doing when you first felt the pain, Where you felt the pain, and if you felt a pop, If you noticed any swelling or bruising in the first 24 hours after the injury, What you were able to do immediately following the injury, and how you have been functioning since the injury (walking, sleeping, lifting your leg, etc.) […] If your physical therapist suspects a severe injury, you will likely be referred to an orthopedic physician for medical diagnostic imaging, including x-ray and MRI, to evaluate the extent of the injury. In the event of a fracture of the ischial tuberosity (sit-bone) and/or a complete rupture of the muscle, surgery might be recommended.

• #3 Hamstring Strain Injury:Causes, Symptoms, Diagnosis & Treatment

  https://nova-physiotherapy.com/hamstring-strain-injury/

  Hamstring strain injury diagnosis starts with a comprehensive knowledge of your medical/health history and the cause of the injury. […] Hamstring strain injury is diagnosed when there is an onset of thigh pain during activity, the pain is reproduced when the hamstring is stretched and/or activated, muscle tenderness when examining the area with the hands during a physical examination, and loss of function. […] Your physiotherapist will perform an evaluation to help determine the extent of the injury and to put together a treatment plan. […] Observation, to note any bruising, swelling, or discoloration of the area. […] Pain assessment, to gauge the severity of pain that you are experiencing and the activities that cause more pain. […] Palpation (gently pressing with the fingers on the area), to isolate the location and size of the tender area.

• #3 Hamstring injury

  https://www.nhs.uk/conditions/hamstring-injury/

  A hamstring injury is a strain or tear to the tendons or large muscles at the back of the thigh. […] The length of time it takes to recover from a hamstring strain or tear will depend on how severe the injury is. […] Mild hamstring strains (grade 1) will usually cause sudden pain and tenderness at the back of your thigh. […] Partial hamstring tears (grade 2) are usually more painful and tender. […] Severe hamstring tears (grade 3) will usually be very painful, tender, swollen and bruised, making it difficult to walk and stand. […] See a GP if you have any concerns about your injury, particularly if you think it’s a severe injury, it’s not healing, or your symptoms are getting worse. […] Recovering from a hamstring injury may take days, weeks or months, depending on how severe it is. […] The GP can give you further advice and, if necessary, refer you to a physiotherapist for a suitable exercise programme.

• #3 Hamstring Muscle Injuries: MRI and Ultrasound for Diagnosis and Prognosis | Journal of the Belgian Society of Radiology

  https://jbsr.be/articles/10.5334/jbsr.2617

  Hamstring injuries (HSI) are the most frequent muscle injuries in active individuals and professional athletes. Early and accurate diagnosis is key for planning a correct and individualised return to play (RTP). For that diagnosis imaging tests such as Magnetic Resonance Imaging (MRI) and ultrasound (US) are the most useful tests in the initial stages. […] An acute HSI is immediately perceived by the athlete, and he/she reports localised pain and tenderness and is not able to continue with his/her normal activity. In the first 24-48 hours the main objective should be to have a fast, concrete, and accurate diagnosis in order to plan a return-to-play (RTP) process as individualized as possible to the athlete and to the specific injury. […] For this, an early and accurate diagnosis is essential, and the most appropriate tools available in the first 72 hours are magnetic resonance imaging (MRI) and ultrasound (US), each with its limitations and strengths, which are necessary to know and to understand.

• #3 Hamstrings Injury Diagnosis

  https://regenexx.com/blog/hamstrings-injury-diagnosis/

  Hamstrings Injury Diagnosis: Using Dynamic Ultrasound […] Chronic hamstrings injury can be a real problem for many patients. Sometimes they show up well on MRI and sometimes they don’t-making hamstrings injury diagnosis pretty tough for doctors. Ultrasound imaging has the advantage of being dynamic, where you can watch the muscle move, something you can’t do with an MRI. […] However, when there’s a single “spot” in the muscle from an injury that’s chronic, oftentimes dynamic ultrasound imaging can “one up” an MRI scanner by showing the muscle in much more detail and allowing it to be viewed in motion, again, something an MRI just can’t do. […] The upshot? As you can see, this is a hamstrings muscle that would likely look pretty normal on static MRI imaging that when viewed with active ultrasound imaging looks abnormal. Now that she has a diagnosis, we can formulate a treatment plan!

• #3 Hamstring Injury Information and Treatments

  https://aidyourhamstring.com/hamstring-strain/hamstring-strain-diagnosis.php

  Diagnosing your hamstring injury will help determine the course of action necessary for proper treatment. If you have suffered from a painful strain and you have lost power in your upper posterior thigh, it is very important to see a doctor. […] To help your doctor achieve a proper diagnosis, he/she will begin with a medical history about you, your current condition and symptoms. […] A physical examination will be performed to determine if you have any signs of a pulled hamstring. […] Most grade 1 or 2 hamstring strains don’t require diagnostic testing, however these tests will help confirm if you have a grade 3 strain and/or will rule out other causes of hamstring pain. […] X-rays will provide a two-dimensional image of the overall structure of your hamstring and upper leg (pelvis, femur and knee).

• #3 Hamstring injury | Radiology Reference Article | Radiopaedia.org

  https://radiopaedia.org/articles/hamstring-injury-1?lang=us

  The recurrence rate is ~20% (range 12-31%) and can occur within a short timeframe (e.g. 2 weeks) after return to play. […] Patients presenting with posterior thigh pain suspicious of a hamstring injury but have a negative MRI (so-called „MRI-negative hamstring injury”) may have symptoms from lumbar spine referred pain, fascial injury, gluteal trigger points.

• #3 Hamstring Strain Injuries: Recommendations for Diagnosis, Rehabilitation and Injury Prevention

  https://pmc.ncbi.nlm.nih.gov/articles/PMC2867336/

  Hamstring strain injuries remain a challenge for both athletes and clinicians given the high incidence rate, slow healing, and persistent symptoms. […] This high reinjury rate suggests that commonly utilized rehabilitation programs may be inadequate at resolving possible muscular weakness, reduced tissue extensibility, and/or altered movement patterns associated with the injury. […] In this paper, we first describe the diagnostic examination of an acute hamstring strain injury, including discussion of the value of determining injury location in estimating the duration of the convalescent period. […] The mechanism of injury, and subsequent tissues injured, have been shown to have important prognostic value in estimating the rehabilitation time needed to return to pre-injury level of performance.

• #3 The Radiology Assistant : Hamstring injury

  https://radiologyassistant.nl/musculoskeletal/muscle/hamstring-injury

  In full thickness injuries, the free tendon is torn and discontinuous with the ischial tuberosity. Since tension is lost, the tendon and muscle will retract from the tuberosity and a gap is seen. […] The extent of tendon retraction is considered an important factor for treatment decision-making. Some experts advocate surgical repair when retraction is more than 2 centimeters. […] There is great interest in and debate how MRI findings can help guide prognosis, progression through the rehabilitation programme, and return-to-play decision-making. This accounts most for partial thickness injuries. […] The vast majority of partial hamstring injuries are located at the musculotendinous junction (MTJ), where forces are transmitted from muscle fibers to the fibers of the intramuscular tendon. These injuries are typically seen when athletes reach for the posterior thigh in a sprint. […] Partial-thickness hamstring injuries are treated non-operatively with a phased rehabilitation program.

• #3 Hamstring injury – Diagnosis and treatment – Mayo Clinic

  https://www.mayoclinic.org/diseases-conditions/hamstring-injury/diagnosis-treatment/drc-20372990

  During the physical exam, a health care provider checks for swelling and tenderness along the back of the thigh. Where the pain is and how bad it is can give good information about the damage. […] Moving the injured leg into different positions helps a provider pinpoint which muscle is hurt and whether there is damage to ligaments or tendons. […] In severe hamstring injuries, the muscle can tear or even separate from the pelvis or shinbone. When this happens, a small piece of bone can be pulled away from the main bone, known as an avulsion fracture. X-rays can check for avulsion fractures, while ultrasound and MRIs can show tears in the muscles and tendons. […] Your health care provider or a physical therapist can show you how to do gentle hamstring stretching and strengthening exercises. After the pain and swelling go down, your provider can show you how to do exercises to build more strength. […] Most hamstring injuries that involve partial tearing of the muscles heal over time and with physical therapy. If the muscle has pulled free from the pelvis or shinbone, orthopedic surgeons can reattach it. Severe muscle tears also can be repaired.

• #3

  https://link.springer.com/article/10.1007/s00167-012-2055-x

  Identification of the most relevant diagnostic and prognostic factors of physical examination and imaging of hamstring injuries in (elite) athletes. […] Medical history, inspection and palpation of the muscle bellies and imaging are most valuable at the initial assessment according to the literature. […] Experts considered medical history, posture and gait inspection, inspection and palpation of muscle bellies, range of motion tests, manual muscle testing, referred pain tests and imaging to be most important in the initial assessment of hamstring injuries. […] Magnetic resonance imaging (MRI) is preferred over ultrasonography and should take place within 3 days post-trauma. […] Important prognostic factors are injury grade, length of the muscle tear on MR images, MRI-negative injuries and trauma mechanism.

• #4

  https://journals.lww.com/acsm-csmr/fulltext/2016/05000/hamstring_injuries_in_the_athlete__diagnosis,.16.aspx

  Hamstring injuries are very common in athletes. A thorough history and physical examination is important to determine the appropriate diagnosis and rule out other causes of posterior thigh pain. Imaging can play a role in diagnosis of acute hamstring strains and chronic proximal hamstring tendinopathy. Athletes with hamstring strain injuries will typically describe sudden onset of sharp, stabbing, or twinge-like posterior thigh pain. Patients with acute hamstring strains may report difficulty continuing the activity or sport. Physical examination of a patient with a suspected hamstring injury should include inspection and palpation of the affected region, passive stretch of the hamstring muscles, and resistance testing of the hamstring muscle. Imaging is usually not needed to make the diagnosis of an acute hamstring strain. Both ultrasound and magnetic resonance imaging (MRI) have been shown to effectively identify and assess the extent of acute hamstring strain injuries. For hamstring tendinopathy, MRI and ultrasound can be used for diagnostic purposes. The differential diagnosis of posterior thigh pain includes hamstring tendon avulsion injury, ischial apophyseal avulsion, stress fractures, adductor muscle strain, referred posterior thigh pain from the lumbar spine, hip joint, or sacroiliac joint and ischiogluteal bursitis.

• #4

  https://link.springer.com/article/10.1007/s00167-012-2055-x

  Posture and gait inspection, inspection and palpation of muscle bellies, range of motion tests, manual muscle testing and referred pain tests within 2 days post-trauma were identified as the most relevant diagnostic factors. […] The need for a quick and accurate diagnosis and prognosis of hamstring injuries in elite sports is evident and has been given greater emphasis. […] The objective of this study was to identify the most relevant diagnostic and prognostic aspects of physical examination and additional studies of hamstring injuries in (elite) athletes. […] Traditional biological markers creatine kinase (CK), lactate dehydrogenase (LDH), myoglobin (Mb) and uric acid should not be used for the diagnosis and prognosis of muscle injuries because of their low sensitivity and specificity.

• #4 Hamstring muscle injuries – Practice Plus Group MSK & Diagnostics

  https://www.mskdiagnostics.co.uk/patients/resources/upper-leg/hamstring-muscle-injuries/

  Hamstring muscle injuries are strains or tears to the large muscles at the back of your thigh. These can range from mild overstretching to complete rupture. […] There are different grades of hamstring muscle injury. Grade 1: A mild muscle pull or strain causing pain and tenderness but no loss of muscle strength. Grade 2: A partial muscle tear, which might cause swelling and bruising as well as some loss of strength. Grade 3: A complete muscle tear/rupture, with over 50% of muscle fibres torn. This will usually be very painful, tender, swollen and bruised, and you will be unable to use your leg. […] There is normally no need to seek an assessment from your GP unless you are concerned that you have a severe injury (Grade 3), or if your symptoms do not improve.

• #4 Hamstring Strain and Pulled Hamstring | Diagnosis | Treatment

  https://www.physiotattva.com/blog/hamstring-strain-and-pulled-hamstring-treatment

  Range of motion and strength tests help in evaluating the ability to flex and extend the knee, as well as assessing muscle strength, which helps determine the severity of the strain. […] Imaging tests help understand any damages to the tissues or muscles that are not visible on initial assessment. […] Magnetic Resonance Imaging (MRI) is highly effective in assessing hamstring injuries by providing detailed images of soft tissues. It offers a comprehensive view of the muscles, revealing the extent and location of damage. This aids healthcare professionals in precisely diagnosing the severity of hamstring strains and tailoring appropriate treatment plans. […] Ultrasound diagnoses hamstring injuries by producing real-time images of soft tissues. It enables healthcare professionals to visualize muscle structure, identify tears or strains, and assess blood flow. This non-invasive technique aids in determining the extent and location of damage, facilitating accurate diagnosis. […] Consult a doctor for a hamstring strain if you experience severe pain, significant swelling, or persistent symptoms. Seeking prompt medical attention ensures accurate diagnosis and appropriate guidance for effective treatment.

• #4 Hamstring Tear Ultrasound Imaging – Melbourne Radiology

  https://www.melbourneradiology.com.au/diagnostic-imaging/hamstring-tear-ultrasound/

  Hamstring Tear Ultrasound […] Diagnostic Imaging for Hamstring Injury. Quickly determine the severity of a hamstring injury with a non-invasive, diagnostic hamstring tear ultrasound. […] Hamstring injuries are one of the most common musculoskeletal sporting injuries that can happen to athletes of all ages and abilities. […] In many cases, diagnostic imaging will be required to obtain a detailed view of the extent of the injury. Ultrasound is a preferred method of diagnostic imaging for hamstring injury as it’s painless, free from radiation and the results are available quickly. […] Ultrasound can help your doctor visualise any tears in hamstring muscles or tendons to determine the severity of the injury. […] Where the injury extends into deep portions of the hamstring muscles or significant residual scarring from a previous injury is present, magnetic resonance imaging (MRI) may be recommended. […] Based on the findings, your doctor will recommend if surgery is required or if the injury can be managed with non-surgical physical therapy.

• #4 Hamstring Injury Information and Treatments

  https://aidyourhamstring.com/hamstring-strain/hamstring-strain-diagnosis.php

  CT scans (computed tomography) and diagnostic ultrasounds may be used to look internally at the hamstring muscles. […] MRIs (magnetic resonance imaging) will provide more detailed information and will help to evaluate the soft tissues in and around your hamstring (muscles, tendons, ligaments, fascia, and other connective tissues). They can identify ligament or tendon damage, and can help to determine the extent of your injury, the grade of your tear or inflammation, as well as other associated conditions. […] Hamstring Strain Diagnosis

• #4 Hamstring Injury Causes, Symptoms, Diagnosis and Treatment – Cura4U

  https://cura4u.com/conditions/hamstring-injury

  The diagnosis of hamstring injury is usually made based on symptoms. Your doctor will examine your leg to look for possible signs of damage such as swelling, bruising, tenderness, etc. The range of movement is also noticed along with pain intensity. In some cases, a small fragment of bone may fracture when the tendon pulls tightly. X-rays can be used to determine the site and extent of such fractures. In case of severe injury, ultrasound or MRI can be used to visualize the extent of muscle damage. […] In majority of the cases, it is easy to diagnose hamstring injury based on the history of intense physical activity and presenting symptoms. However, in some cases, symptoms may resemble a few other diseases such as adductor strain, piriformis syndrome, avulsion injury, sciatica, hamstring tendinitis, or ischial bursitis. Differentiation can be done on the basis of diagnostic imaging tests.

• #4 Hamstring Strain Injuries: Recommendations for Diagnosis, Rehabilitation and Injury Prevention

  https://pmc.ncbi.nlm.nih.gov/articles/PMC2867336/

  The purposes of this clinical commentary are: 1) to describe the diagnostic examination of the acute hamstring strain injury with emphasis on tests and measures that have prognostic value; 2) to present a comprehensive rehabilitation guide based on existing evidence aimed at minimizing both the convalescent period and risk of injury recurrence. […] Establishing objective criteria for determining the appropriate time to return an athlete to sport remains challenging and an important area for future research.

• #4

  https://journal.aspetar.com/en/archive/volume-2-targeted-topic-hamstring-injuries/clinical-and-imaging-diagnosis-and-grading-of-hamstring-injuries

  Currently there is scientific evidence for the use of MRI grading systems of posterior thigh injuries that are clinically and prognostically useful. […] The diagnosis and prognosis of hamstring injuries is a field that has developed significantly over recent years. […] Like most areas of sports medicine and sports injuries, further research is needed to elucidate a final diagnostic (clinical and MRI) pathway that enables useful information with respect to a safe (no recurrent injury) return to sport to be given to both the injured players and their treating doctors.

• #4 Hamstring injury: treatment, recovery time and when to see a doctor – Institute of Sport, Exercise & Health

  https://iseh.co.uk/news/latest-news/hamstring-injury-treatment-recovery-time-and-when-to-see-a-doctor

  If the injury is located high up the hamstring near the pelvis attachment on the ischial tuberosity (sit bone), it can be more consequential and should be checked by a medical professional. […] It can be worth having an assessment to ensure that all the factors in the injury are addressed and to make sure that it doesn’t happen again. […] Low grade hamstring injuries can heal within several days to 1-2 weeks, which will then see them return to sport/activities. […] Larger injuries can take between 2 and 6 weeks for players to return to sport. […] For tendon type injuries, it can take much longer because tendons take longer to heal this can take 6-12 weeks before athletes are ready to return to sport. […] The initial recovery of a hamstring injury should include the RICE approach, meaning: Rest, Ice, Compression, Elevation.

• #4 Hamstring Muscle Injuries: MRI and Ultrasound for Diagnosis and Prognosis | Journal of the Belgian Society of Radiology

  https://jbsr.be/articles/10.5334/jbsr.2617

  The information that MRI provides in the first 24 hours after the injury allows, in most cases, to make a precise prognosis of the RTP time. This is because MRI can define whether the injury is an injury with a great tendon affection, if it has musculotendinous involvement with fascial characteristics, or if its purely muscular. […] Based on a precise diagnosis, athletes with muscle injury and associated connective tissue lesions should be treated with specifically tailored methods. This diagnosis can be made within the first 72 hours with imaging methods such as MRI and US. […] It is essential to have an early diagnosis as accurate, secure, and concrete as possible because we cant treat what we dont know.

• #5

  https://www.leagravetherapy.co.uk/hamstrings%20and%20deep%20gluteal%20syndrome

  Hamstring related injuries are commonly known to be associated with individuals who participate in sport and according to Ahmad et al., (2013) they account for approximately 29% of all sporting related injuries. […] The clinical presentation of patients with a hamstring injury is related to the grade, location, and mechanism of injury (2). Individuals who experience an acute hamstring strain injury will typically describe sudden onset of sharp, stabbing or twinge-like posterior thigh pain. […] The muscle strain usually stops them from continuing the activity or sport and they may present with a „stiff-legged” gait pattern to avoid simultaneous hip and knee flexion (1). […] Mild strains at this area of the hamstrings are less likely to seek medical attention as their symptoms typically alleviate within a few days post injury. Those who experience a moderate to severe injury typically describe a feeling or hear a 'pop’ within the posterior aspect of the proximal thigh and hip area, a tearing sensation associated with sudden onset of posterior thigh pain distal to the ischial tuberosity with difficulty weight-bearing.

• #5 Hamstring Muscle Injuries: MRI and Ultrasound for Diagnosis and Prognosis | Journal of the Belgian Society of Radiology

  https://jbsr.be/articles/10.5334/jbsr.2617

  The information that MRI provides in the first 24 hours after the injury allows, in most cases, to make a precise prognosis of the RTP time. This is because MRI can define whether the injury is an injury with a great tendon affection, if it has musculotendinous involvement with fascial characteristics, or if its purely muscular. […] Based on a precise diagnosis, athletes with muscle injury and associated connective tissue lesions should be treated with specifically tailored methods. This diagnosis can be made within the first 72 hours with imaging methods such as MRI and US. […] It is essential to have an early diagnosis as accurate, secure, and concrete as possible because we cant treat what we dont know.

• #5 Ultrasound Diagnosis of Hamstring Muscle Complex Injuries Focus on Originate Tendon Structure—Male University Rugby Players

  https://www.mdpi.com/2075-4418/15/1/54

  Ultrasound Diagnosis of Hamstring Muscle Complex Injuries Focus on Originate Tendon Structure—Male University Rugby Players […] Objective: With the remarkable advances in diagnostic ultrasound equipment, there is a growing need for ultrasound diagnosis of muscle and soft tissue injuries in sports injuries. Among these, hamstring strains are often difficult to treat and require early and accurate diagnosis. Injuries to the proximal part of the hamstring often take a long time to heal. For this reason, the diagnosis of proximal hamstring injuries is extremely important. The structure of the origin tendon is characteristic, and it is a complex in which the semitendinosus muscle (ST) of the medial hamstring and the long head of the biceps femoris muscle (BFLH) of the lateral hamstring share a conjoint tendon (CT). On the other hand, the semimembranosus muscle (SM) attaches to the ischial tuberosity independently. In this study, we created a classification of injury sites focusing on the origin tendon, and investigated the distribution of injury location, relationship to the player’s position, and the detection rate of ultrasound diagnosis.

• #5 Hamstring Injuries: Causes, Symptoms, Diagnosis and Treatment

  https://carrothersorthopaedics.co.uk/hamstring-injuries-causes-symptoms-diagnosis-treatment/

  If you are unable to put weight on the injured leg or walk more than a few steps without pain you will need to seek medical advice. […] Your doctor will carry out a physical examination, checking for swelling and tenderness in the back of the thigh. They may move your leg into different positions to ascertain which muscles are injured and whether there is also ligament or tendon damage. […] Hamstring injuries are generally graded from one to three mild to severe. […] You may be referred for an ultrasound or MRI scan to check for tears in the muscle or tendon. If your doctor suspects an avulsion fracture you may also be given an X-ray or a CT scan.

• #5 Hamstring Strain Injuries: Recommendations for Diagnosis, Rehabilitation and Injury Prevention

  https://pmc.ncbi.nlm.nih.gov/articles/PMC2867336/

  The absence of a specific injury mechanism should lead the examiner to consider other potential sources of posterior thigh pain. […] Imaging procedures may be required for the final determination of injury location and to rule out other possible causes of inguinal pain. […] Recent MR-imaging studies of acute grade I and II hamstring strain injuries have indicated that abnormalities (eg, edema) can confirm the presence and severity of injury, as well as provide a reasonable estimate of the rehabilitation period. […] Findings from the initial examination are less valuable in estimating risk of injury recurrence. […] The high recurrence rate of hamstring injuries has led to speculation regarding the appropriateness of commonly employed rehabilitation strategies. […] The primary objective of a rehabilitation program following a hamstring strain injury is to return the athlete to sport at prior level of performance with minimal risk of injury recurrence.

• #5 HAMSTRING INJURIES IN A PREMIER LEAGUE FOOTBALL TEAM. MRI VS. CLINICAL DIAGNOSIS | British Journal of Sports Medicine

  https://bjsm.bmj.com/content/48/21/1582

  Hamstring injury is the most common injury in professional football. MRI is often used as both a diagnostic and prognostic tool, but clinical judgment is always used to assess injury. There is little evidence in current literature to compare the two. […] To evaluate MRI scanning for predicting time missed after hamstring injuries and compare it to clinical judgment. […] In total, 27 players had hamstring injuries, all receiving an MRI scan and clinical assessment. […] Therefore, clinical grading given by medical professionals did not always concur with grading reported from MRI. […] MRI is helpful in verifying the diagnosis and prognosis of a hamstring injury. Clinical grading appeared more accurate than MRI grading in predicting number of days injured. However, this was not statistically significant (p value 0.25). MRI under grading may result in a tendency to encourage players to train too soon. Over 60% of hamstring injuries were of radiological grade 0 or 1 (no signs of fibre disruption on MRI) but, in fact, these injuries caused the majority of days out.

• #5 Hamstring injury: treatment, recovery time and when to see a doctor – Institute of Sport, Exercise & Health

  https://iseh.co.uk/news/latest-news/hamstring-injury-treatment-recovery-time-and-when-to-see-a-doctor

  If the injury is located high up the hamstring near the pelvis attachment on the ischial tuberosity (sit bone), it can be more consequential and should be checked by a medical professional. […] It can be worth having an assessment to ensure that all the factors in the injury are addressed and to make sure that it doesn’t happen again. […] Low grade hamstring injuries can heal within several days to 1-2 weeks, which will then see them return to sport/activities. […] Larger injuries can take between 2 and 6 weeks for players to return to sport. […] For tendon type injuries, it can take much longer because tendons take longer to heal this can take 6-12 weeks before athletes are ready to return to sport. […] The initial recovery of a hamstring injury should include the RICE approach, meaning: Rest, Ice, Compression, Elevation.

• #5 Hamstring muscle and tendon injuries – UpToDate

  https://www.uptodate.com/contents/hamstring-muscle-and-tendon-injuries

  Hamstring muscle injuries occur frequently among recreational and elite athletes. Several terms, including posterior thigh injury, hamstring strain, hamstring tendinopathy, and hamstring tear, are used to describe such injuries, but they are not always synonymous. […] The diagnosis, management, risk factors, and prevention of hamstring muscle and tendon injuries are reviewed here. […] For the purpose of this review, we will define hamstring injury as any strain or tear, including avulsion, of any of the muscles or tendons within the hamstring group, including the biceps femoris, semitendinosus, and semimembranosus muscles. […] The incidence of hamstring injuries among athletes varies based upon the definition used. […] Nevertheless, most researchers agree that hamstring injuries comprise a substantial percentage of acute, sports-related musculoskeletal injuries and are likely the most common injury among participants in sports involving sprinting and cutting. […] The timing for return to sport ranges from as early as two weeks to never, depending upon injury severity and the sport in question. […] Recurrent hamstring injuries develop in more than 30 percent of athletes, with most occurring during the ensuing sporting season.

• #6

  https://link.springer.com/article/10.1007/s00167-012-2055-x

  Imaging provides information on the nature and extent of hamstring injuries. […] MRI and US are the most suitable imaging techniques for depicting hamstring injuries. […] MRI is more sensitive for identifying minimal injuries, with less than 5 % of muscle involved: the radiological definition of a grade-I muscle injury. […] An accurate prognosis can be obtained on the basis of a thorough clinical assessment. […] Different classification systems are provided in the literature. […] Imaging is a valuable addition. […] A substantial part of supposed hamstring injuries are negative on MRI (14-45 %). […] Athletes sustaining a recurrent hamstring injury have a longer convalescent period compared to a first-time hamstring injury. […] Important prognostic factors related to a longer rehabilitation period are MRI-positive muscle tears, larger extent of the muscle tear as seen on MRI, recurrent hamstring injury and injury mechanism.

• #6 Ultrasound Diagnosis of Hamstring Muscle Complex Injuries Focus on Originate Tendon Structure—Male University Rugby Players

  https://www.mdpi.com/2075-4418/15/1/54

  We used ultrasound and MRI to diagnose 52 university men’s rugby players who had suffered a hamstring strain for the first time and investigated the distribution of the injured areas. We performed an ultrasound scan as the initial diagnosis and used MRI as a final diagnostic tool. A classification focusing on the origin of the muscle was created. First of all, it was divided into two types: the BFLH-ST complex type, which originates in the CT, and the SM type, which originates in the SM tendon. We also classified BFLH-ST complex damage, including CT damage, as Type I, a BFLH injury without CT injury as Type II, and a ST injury without CT injury as Type III. […] In terms of the distribution, the BFLH-ST complex, which shares the same origin tendon (i.e. CT), had a higher frequency of muscle tears than the SM. In addition, CT junction injuries occurred frequently in Type II as well as Type I (=CT injury). One possible cause is that the CT is subject to concentrated traction stress from both the medial and lateral hamstrings. With ultrasound, the detection rate of muscle damage around the BFLH-ST complex and SM originating tendon was high, suggesting that it is useful as an initial diagnosis. From this, it can be said that ultrasound is also useful for primary evaluation of “proximal hamstring injury”, which is prone to severe and should be given a final diagnosis using MRI.

• #6

  https://link.springer.com/article/10.1007/s00167-012-2055-x

  Posture and gait inspection, inspection and palpation of muscle bellies, range of motion tests, manual muscle testing and referred pain tests within 2 days post-trauma were identified as the most relevant diagnostic factors. […] The need for a quick and accurate diagnosis and prognosis of hamstring injuries in elite sports is evident and has been given greater emphasis. […] The objective of this study was to identify the most relevant diagnostic and prognostic aspects of physical examination and additional studies of hamstring injuries in (elite) athletes. […] Traditional biological markers creatine kinase (CK), lactate dehydrogenase (LDH), myoglobin (Mb) and uric acid should not be used for the diagnosis and prognosis of muscle injuries because of their low sensitivity and specificity.

• #6 Hamstring injury | Radiology Reference Article | Radiopaedia.org

  https://radiopaedia.org/articles/hamstring-injury-1?lang=us

  The recurrence rate is ~20% (range 12-31%) and can occur within a short timeframe (e.g. 2 weeks) after return to play. […] Patients presenting with posterior thigh pain suspicious of a hamstring injury but have a negative MRI (so-called „MRI-negative hamstring injury”) may have symptoms from lumbar spine referred pain, fascial injury, gluteal trigger points.

• #6 The Radiology Assistant : Hamstring injury

  https://radiologyassistant.nl/musculoskeletal/muscle/hamstring-injury

  In full thickness injuries, the free tendon is torn and discontinuous with the ischial tuberosity. Since tension is lost, the tendon and muscle will retract from the tuberosity and a gap is seen. […] The extent of tendon retraction is considered an important factor for treatment decision-making. Some experts advocate surgical repair when retraction is more than 2 centimeters. […] There is great interest in and debate how MRI findings can help guide prognosis, progression through the rehabilitation programme, and return-to-play decision-making. This accounts most for partial thickness injuries. […] The vast majority of partial hamstring injuries are located at the musculotendinous junction (MTJ), where forces are transmitted from muscle fibers to the fibers of the intramuscular tendon. These injuries are typically seen when athletes reach for the posterior thigh in a sprint. […] Partial-thickness hamstring injuries are treated non-operatively with a phased rehabilitation program.

• #6 Hamstring Strain Injuries: Recommendations for Diagnosis, Rehabilitation and Injury Prevention

  https://pmc.ncbi.nlm.nih.gov/articles/PMC2867336/

  Hamstring strain injuries remain a challenge for both athletes and clinicians given the high incidence rate, slow healing, and persistent symptoms. […] This high reinjury rate suggests that commonly utilized rehabilitation programs may be inadequate at resolving possible muscular weakness, reduced tissue extensibility, and/or altered movement patterns associated with the injury. […] In this paper, we first describe the diagnostic examination of an acute hamstring strain injury, including discussion of the value of determining injury location in estimating the duration of the convalescent period. […] The mechanism of injury, and subsequent tissues injured, have been shown to have important prognostic value in estimating the rehabilitation time needed to return to pre-injury level of performance.

• #7 Kindly explain my MRI report for hamstring pain.

  https://www.icliniq.com/qa/hamstring-injury/what-does-my-mri-report-for-hamstring-pain-indicate

  You have findings suggestive of a hamstring injury involving the left side hamstring muscles from the level of the isccial tuberosity attachment (in the pelvis area) and continuing to the biceps femoris proximal tendon and in to the upper and mid thigh areas and the myotendinous part along the posterior medial part of the thigh. […] As you have MRI findings showing left hamstring injury, you do need to recover and avoid stressful physical activity to your left hamstrings. However the exact nature of active lifestyle is best commented upon after a detailed clinical evaluation. […] There is hamstring muscle strain injury. There is no disruption of fibres so we may not call it a tear. On MRI grading there is grade I injury.

• #7 Ultrasound Diagnosis of Hamstring Muscle Complex Injuries Focus on Originate Tendon Structure—Male University Rugby Players

  https://www.mdpi.com/2075-4418/15/1/54

  We created a classification system focusing on the originating tendons and clarified their incidence rates. In this study, ultrasound was found to be useful in the detection of originating tendon injuries. We also identified the characteristic sonographic findings of each type. […] Ultrasound diagnosis was performed by an orthopedic surgeon who had 10 years of experience interpreting ultrasound images. The initial diagnosis was made using ultrasound, and the final diagnosis was made using MRI. The diagnosis by ultrasound was evaluated in the following three grades. […] The overall detection rate of ultrasound compared to MRI was 87%; Type II was low at 74%, Type I at 95% and Type III was detected in all cases. […] In sports injuries, proximal hamstring injuries are frequent and often problematic due to the time taken to return to play. In the present study, we have performed an anatomical classification of injury sites with a focus on the two ischial tuberosity attachments and investigated their frequency. The conjoint tendon (CT) of the hamstring muscle complex (HMC) is the origin of the BFLH-ST complex at the ischial tuberosity.

• #7 Hamstring Tear & Surgery | University of Utah Health

  https://healthcare.utah.edu/orthopaedics/specialties/hip-pain/hamstring-tear-surgery

  We may also recommend one or more imaging tests (namely an X-ray, ultrasound, or magnetic resonance imaging) to see if there are any fractures or tears in your bones, muscles, or tendons. […] If you see bruising in your thigh after a hamstring injury, contact your doctor to schedule an MRI within one week of your injury, or as quickly as possible after that. Your doctor will use the MRI to determine if you need surgery. Surgery works best when its performed within two to three weeks from injury, so early diagnosis is important.

• #7 Hamstring injury: treatment, recovery time and when to see a doctor – Institute of Sport, Exercise & Health

  https://iseh.co.uk/news/latest-news/hamstring-injury-treatment-recovery-time-and-when-to-see-a-doctor

  Physiotherapy is key to rehabilitate the muscle back to normal function. […] The British Athletic Muscle Injury Classification (BAMIC) allows us to grade these injuries to allow rough guidelines on recovery. […] As 80% of hamstring injuries involve muscle only, this would require physiotherapy rehabilitation. […] Hamstring injuries can cause sciatica type symptoms if severe enough to allow scar tissue to surround the sciatic nerve. […] Our specialists use equipment for measuring strength as well as EMG for measuring muscle activity during typical hamstring exercises, and in running. […] In addition, we also have experienced radiologists who can use Ultrasound and MRI to diagnose exactly which muscle / portion of muscle has been affected in the injury.

• #8 Hamstring Muscle Injuries: MRI and Ultrasound for Diagnosis and Prognosis | Journal of the Belgian Society of Radiology

  https://jbsr.be/articles/10.5334/jbsr.2617

  The information that MRI provides in the first 24 hours after the injury allows, in most cases, to make a precise prognosis of the RTP time. This is because MRI can define whether the injury is an injury with a great tendon affection, if it has musculotendinous involvement with fascial characteristics, or if its purely muscular. […] Based on a precise diagnosis, athletes with muscle injury and associated connective tissue lesions should be treated with specifically tailored methods. This diagnosis can be made within the first 72 hours with imaging methods such as MRI and US. […] It is essential to have an early diagnosis as accurate, secure, and concrete as possible because we cant treat what we dont know.

• #8 Ultrasound Diagnosis of Hamstring Muscle Complex Injuries Focus on Originate Tendon Structure—Male University Rugby Players

  https://www.mdpi.com/2075-4418/15/1/54

  We performed an ultrasound-based imaging study of a hamstring tear in university rugby players. We investigated the frequency of occurrence of injury sites classified by the tendon of origin and presented the ultrasound findings. MRI was necessary for qualitative assessment of tendon injuries, but otherwise, the diagnosis could be made down to the site and extent of injury by ultrasound. We are pleased to report that ultrasonography was found to be sufficient to make an initial diagnosis (i.e., as a detection). We were particularly interested to find that injuries related to the originating tendon were highly prevalent.

• #8 Hamstring injury: Diagnosis and Rehabilitation – Olympic Park Sports Medicine Centre

  https://www.opsmc.com.au/articles/hamstring/

  Hamstring injury continues to be responsible for the greatest cost in terms of missed games for players in the AFL. […] Diagnosis involves an in-depth subjective assessment coupled with an objective clinical examination. […] Identifying the anatomical site of the hamstring strain has an impact on the design of a rehabilitation program. […] The cornerstone of hamstring rehabilitation, particularly for running sports, is a graded running program. […] At Olympic Park Sports Medicine Centre, our physiotherapists are experienced in assessment and the management of hamstring injuries, and are skilled all phases of rehabilitation from the acute post-injury phase, through to the return to sport and injury prevention phase.

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