Zapalenie stawu kciuka
Etiologia i przyczyny

Zapalenie stawu nadgarstkowo-śródręcznego kciuka (CMC) jest schorzeniem o etiologii wieloczynnikowej, obejmującej procesy degeneracyjne chrząstki stawowej związane z wiekiem, predyspozycje genetyczne, biomechaniczne niestabilności oraz czynniki środowiskowe. Charakterystyczne jest zużycie chrząstki prowadzące do tarcia kości, powstawania osteofitów i przykurczu przywiedzeniowego kciuka. Staw CMC, ze względu na swoją siodełkowatą budowę i podatność na osłabienie więzadeł (szczególnie więzadła skośnego przedniego i grzbietowo-promieniowego), jest szczególnie narażony na rozwój zmian artretycznych. Radiologiczne cechy zapalenia stawu kciuka występują u 30-50% populacji w wieku 50-70 lat, z wyraźną przewagą u kobiet (stosunek 6:1 do 15:1), zwłaszcza po menopauzie, co wskazuje na istotny wpływ zmian hormonalnych i wiotkości więzadeł. Czynniki ryzyka obejmują także wcześniejsze urazy (złamania, zwichnięcia), powtarzające się przeciążenia stawu (np. praca manualna, długotrwałe używanie nożyczek, smartfonów), choroby zapalne (RZS, toczeń, dna moczanowa) oraz otyłość i czynniki metaboliczne.

Etiologia zapalenia stawu kciuka

Zapalenie stawu kciuka, znane również jako zapalenie stawu podstawy kciuka (nadgarstkowego-śródręcznego), jest częstym schorzeniem, które dotyka głównie staw u podstawy kciuka, gdzie kciuk łączy się z nadgarstkiem. Jest to stan degeneracyjny, który rozwija się, gdy chrząstka pokrywająca końce kości w stawie ulega zużyciu, powodując tarcie kości o siebie i uszkodzenie stawu.123

Naturalne procesy starzenia

Najczęstszą przyczyną zapalenia stawu kciuka są zmiany związane z wiekiem. Z upływem czasu chrząstka, która amortyzuje końce kości w stawie kciuka, naturalnie ulega degradacji i staje się cieńsza oraz bardziej szorstka. W normalnym stawie kciuka chrząstka pokrywa końce kości, działając jako poduszka i umożliwiając płynne przesuwanie się kości względem siebie. Gdy chrząstka ulega zużyciu, kości zaczynają ocierać się o siebie, powodując tarcie i uszkodzenie stawu.13

Uszkodzenie stawu może prowadzić do tworzenia się nowej tkanki kostnej wzdłuż boków istniejącej kości (osteofity), które mogą tworzyć widoczne guzki na stawie kciuka.13 Szacuje się, że 30-50% populacji w wieku 50-70 lat może mieć radiologiczne cechy zapalenia stawu kciuka, choć nie wszyscy rozwijają objawy kliniczne.4

Aspekty biomechaniczne

Staw nadgarstkowy-śródręczny kciuka (CMC) jest szczególnie podatny na zmiany artretyczne ze względu na swoją unikalną budowę biomechaniczną. Staw ten ma kształt siodełkowaty, co zapewnia szeroki zakres ruchów, ale jednocześnie sprawia, że jest mniej stabilny niż inne stawy.56

Osłabienie więzadeł stabilizujących staw, szczególnie więzadła skośnego przedniego („więzadła dziobowego”) i więzadła grzbietowo-promieniowego, może prowadzić do niestabilności stawu, jego podwichnięcia i rozwoju zapalenia.75 Teoria ta sugeruje, że gdy więzadła stają się niezdolne do stabilizacji stawu, następuje degeneracja stawu w przewidywalny sposób. Początkowo staw staje się bolesny z powodu zapalenia błony maziowej.5

W miarę postępu choroby następuje utrata chrząstki stawowej, najpierw w regionach dłoniowych stawu, a następnie obejmuje cały staw. Tworzą się osteofity w daremnej próbie zwiększenia powierzchni stawowej i tym samym zmniejszenia siły na jednostkę powierzchni. W końcowym stadium choroby podstawa kości śródręcza kciuka zapada się i powstaje przykurcz przywiedzeniowy kciuka.8

Czynniki genetyczne i predyspozycje

Istnieje genetyczna predyspozycja do rozwoju zapalenia stawu kciuka.910 Osoby z rodzinnym występowaniem zapalenia stawów lub problemów ze stawami mają zwiększone ryzyko rozwoju zapalenia stawu kciuka. Specyficzne czynniki genetyczne mogą wpływać na to, jak stawy zużywają się z czasem, potencjalnie zwiększając podatność.11

Schorzeń związanych z nadmierną wiotkością stawów, takich jak zespół Marfana lub zespół Ehlersa-Danlosa, może predysponować do wcześniejszego rozwoju zapalenia stawu kciuka.12 Badania wykazały silny związek między nadmierną wiotkością stawu podstawy kciuka a rozwojem przedwczesnych zmian degeneracyjnych. Wiotkość więzadeł jest powszechna u młodych kobiet. Powtarzające się obciążanie podwichniętych stawów w wieku 20, 30 i 40 lat może być powodem, dla którego jedna trzecia kobiet w wieku powyżej 50 lat wykazuje radiologiczne cechy zmian degeneracyjnych.13

Urazy i uszkodzenia stawu

Wcześniejsze urazy lub kontuzje stawu kciuka mogą zwiększać ryzyko rozwoju zapalenia stawu kciuka.114 Urazy takie jak złamania, zwichnięcia lub powtarzające się podwichnięcia mogą pogorszyć stabilność stawu i czasami jego funkcje, prowadząc do szybszego zużycia chrząstki.15

Złamania i inne urazy stawu kciuka mogą zwiększać ryzyko rozwoju zapalenia stawów w przyszłości.16 Nawet jeśli osoba otrzyma skuteczne leczenie, uszkodzone stawy są bardziej narażone na rozwój osteoartrozy z upływem czasu. Najczęstszymi urazami prowadzącymi do osteoartrozy są złamania i zwichnięcia.17

Infekcje stawów również mogą być przyczyną rozwoju zapalenia stawu kciuka.1718

Czynniki związane z płcią i wiekiem

Zapalenie stawu kciuka jest bardziej powszechne u kobiet niż u mężczyzn, ze stosunkiem występowania wynoszącym od 6:1 do 10-15:1.135 Kobiety są około 30% bardziej narażone niż mężczyźni na rozwój osteoartrozy u podstawy kciuka.19

Choroba ta zazwyczaj pojawia się po 40 roku życia, a ryzyko wzrasta z wiekiem.420 Kobiety z bardzo elastycznymi lub wiotkimi więzadłami kciuka są szczególnie narażone.19 Zmiany hormonalne, szczególnie te związane z menopauzą, mogą przyczyniać się do zwiększonej częstości występowania zapalenia stawu kciuka u kobiet.2122

Zapalenie stawu kciuka występuje u około 90% kobiet po menopauzie w wieku powyżej 50 lat.15 Badania rentgenowskie wykazały, że do 25% kobiet w wieku powyżej 55 lat ma zapalenie stawu kciuka.23

Przeciążenie i czynniki zawodowe

Intensywne używanie stawu jest ważnym czynnikiem rozwoju zapalenia stawu kciuka.15 Powtarzające się ruchy kciuka, zwłaszcza te wymagające chwytania i szczypania, mogą przyspieszyć degenerację stawu.24

Działania zawodowe lub hobby, które wymagają powtarzających się ruchów, są bezpośrednio związane z nadmiernym użyciem stawu, co jest jedną z głównych przyczyn zapalenia stawu kciuka.12 Osoby wykonujące zawody wymagające powtarzalnych ruchów chwytania lub szczypania mają dwukrotnie większe ryzyko rozwoju miejscowej osteoartrozy.25

Do czynności, które mogą prowadzić do przeciążenia stawu kciuka, należą:26

  • Praca wymagająca długotrwałego używania nożyczek
  • Prowadzenie pojazdów
  • Pisanie długopisem lub ołówkiem
  • Długotrwałe korzystanie ze smartfonów27
  • Narażenie na powtarzające się wibracje w pracy12

Choroby współistniejące i zapalne

Inne schorzenia, takie jak toczeń i reumatoidalne zapalenie stawów, mogą również powodować deteriorację stawu podstawy kciuka.49 Zapalne zapalenie stawów, takie jak reumatoidalne zapalenie stawów, jest kolejnym czynnikiem predysponującym.13

Zapalenie stawu kciuka jest często związane z innymi schorzeniami, takimi jak palec trzaskający, zapalenie pochewki ścięgnistej de Quervaina i zapalenie ścięgna zginacza promieniowego nadgarstka. Zapalenie stawu kciuka zostałoby zidentyfikowane u 50% pacjentów z zespołem cieśni nadgarstka. W takim przypadku objawy obu schorzeń się łączą.1228

Inne choroby zapalne, takie jak dna moczanowa i łuszczycowe zapalenie stawów, mogą również wpływać na stawy kciuka.2930

Otyłość i czynniki metaboliczne

Nadwaga i otyłość mogą zwiększać ryzyko rozwoju zapalenia stawu kciuka.3132 Nadmierna masa ciała powoduje dodatkowe obciążenie stawów, przyspieszając proces zużycia.33

Dieta również może wpływać na ryzyko zapalenia stawów. Diety bogate w żywność prozapalną mogą przyczyniać się do stanu zapalnego stawów, nasilając objawy zapalenia stawu kciuka. Z drugiej strony, dobrze zbilansowana dieta o właściwościach przeciwzapalnych może potencjalnie zmniejszyć ryzyko i wpływ zapalenia stawu kciuka.33

Interesujące badania sugerują, że głównym czynnikiem w osteoartrozie może być czynnik metaboliczny, a nie mechaniczny, jak zawsze zakładano.34

Podsumowanie przyczyn zapalenia stawu kciuka

Etiologia zapalenia stawu kciuka jest wieloczynnikowa i obejmuje kombinację procesów degeneracyjnych związanych z wiekiem, predyspozycji genetycznych, czynników biomechanicznych, anatomicznych i środowiskowych. Główne czynniki przyczyniające się do rozwoju tej choroby to:3536

  • Starzenie się i naturalne zużycie chrząstki stawowej53
  • Predyspozycje genetyczne i rodzinne występowanie chorób stawów11
  • Płeć żeńska – znacznie wyższa częstość występowania u kobiet13
  • Wcześniejsze urazy, złamania lub zwichnięcia stawu kciuka15
  • Niestabilność i wiotkość więzadeł stawu7
  • Powtarzające się ruchy i przeciążenie stawu26
  • Choroby zapalne i autoimmunologiczne9
  • Otyłość i czynniki metaboliczne33
  • Zmiany hormonalne, szczególnie związane z menopauzą22

Chociaż dokładna przyczyna zapalenia stawu kciuka nie zawsze jest jasna i może różnić się u poszczególnych pacjentów, zrozumienie tych czynników etiologicznych jest kluczowe dla właściwego rozpoznania, profilaktyki i leczenia tego powszechnego schorzenia ortopedycznego.3738

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  1. 09.04.2026
  2. www.leksykon.com.pl

Materiały źródłowe

  • #1 Thumb arthritis – Symptoms and causes – Mayo Clinic
    https://www.mayoclinic.org/diseases-conditions/thumb-arthritis/symptoms-causes/syc-20378339
    Thumb arthritis commonly occurs with aging. Previous trauma or injury to the thumb joint also can cause thumb arthritis. […] In a normal thumb joint, cartilage covers the ends of the bones acting as a cushion and allowing the bones to glide smoothly against each other. With thumb arthritis, the cartilage that covers the ends of the bones deteriorates, and its smooth surface roughens. The bones then rub against each other, resulting in friction and joint damage. […] The damage to the joint might result in growth of new bone along the sides of the existing bone (bone spurs), which can produce noticeable lumps on your thumb joint.
  • #2 Thumb arthritis | UM Health-Sparrow
    https://www.uofmhealthsparrow.org/departments-conditions/conditions/thumb-arthritis
    Thumb arthritis commonly occurs with aging. Previous trauma or injury to the thumb joint also can cause thumb arthritis. […] With thumb arthritis, the cartilage that covers the ends of the bones deteriorates, and its smooth surface roughens. The bones then rub against each other, resulting in friction and joint damage. […] The damage to the joint might result in growth of new bone along the sides of the existing bone (bone spurs), which can produce noticeable lumps on your thumb joint.
  • #3 Thumb arthritis | Beacon Health System
    https://www.beaconhealthsystem.org/library/diseases-and-conditions/thumb-arthritis?content_id=CON-20378325
    Thumb arthritis occurs when the cartilage in the carpometacarpal (CMC) joint wears away. […] Thumb arthritis commonly occurs with aging. Previous trauma or injury to the thumb joint also can cause thumb arthritis. […] In a normal thumb joint, cartilage covers the ends of the bones acting as a cushion and allowing the bones to glide smoothly against each other. With thumb arthritis, the cartilage that covers the ends of the bones deteriorates, and its smooth surface roughens. The bones then rub against each other, resulting in friction and joint damage. […] The damage to the joint might result in growth of new bone along the sides of the existing bone (bone spurs), which can produce noticeable lumps on your thumb joint.
  • #4 Thumb Arthritis > Fact Sheets > Yale Medicine
    https://www.yalemedicine.org/conditions/thumb-arthritis
    As this joint becomes worn, often due to age, it can lead to a painful condition called thumb arthritis (also known as CMC arthritis or basal joint arthritis). […] There are many different types of arthritis, but the kind that most often affects the thumb is osteoarthritis, the most common form of arthritis. […] An injury to the thumb raises the likelihood that you will develop thumb arthritis. Other conditions, including lupus and rheumatoid arthritis, might also cause deterioration of the basal joint. […] Thumb arthritis typically occurs after age 40. It is more common in women, but it can affect men, too. There is a genetic predisposition that makes people more likely to develop thumb arthritis. […] Thumb arthritis is unbelievably common, and if we look at the X-rays of people in their 50s, 60s, and 70s, 30 to 50 percent of that population can have it, Dr. Luo says.
  • #5 Arthritis of the base of the thumb
    https://pmc.ncbi.nlm.nih.gov/articles/PMC2684204/
    The base of the thumb, primarily the trapeziometacarpal (TM) joint, is the second most common site affected by primary idiopathic arthritis in the hand behind only the distal joints of the fingers. […] While both biochemical and biomechanical factors play a role in the development of arthritis at the base of the thumb, it is the biomechanical design of the joint that makes it unique. […] If these ligaments become unable to stabilize the joint it is felt that joint degeneration will follow in a predictable fashion. […] Approximately one in four women and one in twelve men will develop radiographic evidence of joint degeneration although not all will become symptomatic. […] Women with symptomatic involvement of the base of the thumb outnumber men by a ratio of 1015:1. […] The joint initially becomes painful due to synovitis.
  • #6 Thumb Base Arthritis | Symptoms & Treatment | OneWelbeck
    https://onewelbeck.com/conditions/thumb-base-arthritis/
    Osteoarthritis refers to a process, usually age-related, of degradation and degeneration of the cartilage lining a joint, and subsequent changes in the bone adjacent to that joint. […] The joint at the base of the thumb, between the thumb metacarpal and the trapezium, is the most commonly affected joint in the hand to be affected by wear and tear or osteoarthritis. […] The thumb CMC joint is unusual in that it is saddle-shaped, allowing the versatile range and planes of motion of the thumb ray. […] Unfortunately the mobility and the oblique orientation of the joint mean that those ligaments are regularly put under load and can stretch out, predisposing the joint to degenerative change. […] This condition generally affects people over the age of 50, and affects women more often than men. […] Causes: aging, stretching and overuse of ligaments in th…
  • #7
    https://www.orthobullets.com/hand/6054/basilar-thumb-arthritis
    Basilar Thumb Arthritis, also referred to as trapeziometacarpal (TMC) arthritis, is a common degenerative condition caused by attenuation of the volar beak and dorsoradial ligaments, leading to joint subluxation and cartilage degeneration of the trapeziometacarpal joint. […] Theorized to be due to attenuation of anterior oblique ligament (Beak ligament) and dorsoradial ligaments, leading to instability, dorsoradial subluxation, and arthritis of CMC joint.
  • #8 Arthritis of the base of the thumb
    https://pmc.ncbi.nlm.nih.gov/articles/PMC2684204/
    As the disease progresses, there is a loss of articular cartilage, first in the palmar regions of the joint and spreading to involve the entire joint. […] Osteophytes form in a futile attempt to increase the surface area and thereby decrease the force per unit area. […] Lastly, in end stage disease, the thumb metacarpal base will subside and a thumb adduction contracture will occur.
  • #9 Thumb Arthritis: Symptoms and Treatment | The Hand Society
    https://www.assh.org/handcare/condition/thumb-arthritis
    Thumb arthritis is also known as basal joint arthritis. […] There is a genetic predisposition in developing this arthritis condition. Additionally, any type of trauma to the thumb can predispose one to thumb arthritis. […] There are other conditions such as inflammatory arthritis (Lupus, Rheumatoid Arthritis) that can affect the base of the thumb and cause the deterioration of that joint.
  • #10 Thumb (Basal Joint) Arthritis: Pain, Tests & Treatment
    https://my.clevelandclinic.org/health/diseases/thumb-arthritis
    Thumb arthritis happens when the cartilage that cushions your thumb joints breaks down (degenerate). Cartilage helps your bones to glide easily in your joints. Age and use can make cartilage break down. That can cause your bones to rub against each other, which causes friction and damage. […] Thumb arthritis risk factors include: Being female, Being age 40 and older, Having a genetic predisposition for osteoarthritis, Injuring or breaking your thumb, Having health conditions like lupus and rheumatoid arthritis.
  • #11 What Are the Causes, Symptoms, and Treatments of Basal Arthritis
    https://www.advancedreconstruction.com/blog/basal-arthritis-symptoms-and-treatments
    There is a genetic component to CMC arthritis risk. Having a family history of arthritis or joint problems increases the likelihood of developing CMC arthritis. Other specific genetic factors can influence how joints wear down over time, potentially increasing susceptibility. […] Some additional risk factors of basal joint arthritis include obesity, which places additional stress on joints; overuse of the joint, particularly in occupations or activities involving frequent gripping and pinching motions; previous injury or trauma to the thumb or hand; and prior contralateral thumb CMC surgery. […] While these factors increase risk, they do not guarantee the development of CMC arthritis. The condition results from a combination of genetic predisposition, age-related changes, and cumulative stress on the joint over time.
  • #12 What causes thumb arthritis? | Epitact
    https://epitact.co.uk/hand-wrist/rhizarthrosis/causes
    Some factors increase the risk of developing this condition. Among them, lets name: occupational activities or hobbies that involve repeated movements. They are directly related to joint overuse: one of the major cause of thumb arthritis; constitutional laxity (unusual laxity of the thumb) can be caused by certain diseases (Marfan syndrome or Ehler-Danlos syndrome); distinctive anatomical characteristics of the trapezium. Thumb arthritis is also frequently associated with other conditions like trigger fingers, De Quervain tenosynovitis, flexor carpi radialis tendinitis. Arthritic thumb would be identified in 50% of patients with carpal tunnel syndrome. In this case, the symptoms of both conditions are combined; being exposed to recurrent vibrations at work for example is another cause of thumb arthritis.
  • #13 Basal thumb arthritis
    https://pmc.ncbi.nlm.nih.gov/articles/PMC2599975/
    Basal thumb arthritis is a common condition seen in hand clinics across the United Kingdom and is often associated with other pathological conditions such as carpal tunnel syndrome and scaphotrapezial arthritis. […] The prevalence of basal thumb arthritis increases with age and is seen predominantly in postmenopausal women. The female:male ratio is 6:1. No conclusive environmental or genetic factors that lead to the expression of this disease have been identified. […] We found a strong association between excessive basal joint laxity and the development of premature degenerative changes. Ligamentous laxity is common in young women. Repeated loading of subluxed joints in the 20s, 30s and 40s may be the reason why one third of women 50 years show some radiological evidence of degenerative change. […] Previous trauma to the thumb can predispose the patient to arthrosis of the basal joint. […] Inflammatory arthritis, such as rheumatoid arthritis, is another predisposing condition. The most common cause for symptomatic basal joint arthritis, however, is idiopathic.
  • #14 Arthritis of the Thumb – OrthoInfo – AAOS
    https://orthoinfo.aaos.org/en/diseases–conditions/arthritis-of-the-thumb/
    Arthritis is a condition that affects joints, ultimately resulting in wearing out of the protective cartilage joint surface. In the thumb, the most common site for arthritis to develop is in the basal joint at the base of the thumb also known as the thumb carpometacarpal (CMC) joint. […] Although there are several types of arthritis, the one that most often affects the basal joint is osteoarthritis (degenerative, or wear-and-tear, arthritis). […] The basal joint at the base of the thumb or thumb CMC joint is located near the wrist and at the fleshy part of the thumb. It enables the thumb to swivel, pivot, and pinch so that you can grip things in your hand. This joint is highly vulnerable to arthritis as people age. […] Arthritis of the base of the thumb is more common in women than in men, and usually occurs after 40 years of age. Prior fractures or other injuries to the joint may increase the likelihood of developing this condition.
  • #15 What causes thumb arthritis? | Epitact
    https://epitact.co.uk/hand-wrist/rhizarthrosis/causes
    Thumb arthritis is most common in women. Indeed, 90% of arthritic thumb cases are post-menopausal women over 50 years of age. Consequently, we can wonder about what causes thumb arthritis. Does this mechanical dysfunction result from hormonal causes only? Finding the exact causes of thumb arthritis and preventing them is not as simple as we might think. […] Causes of thumb arthritis are still poorly known and difficult to identify. Many factors can help the development of thumb basal joint arthritis: age, which causes cartilage wear and weakness; inflammatory lesions that damage the cartilage (rheumatoid arthritis, chondrocalcinosis); traumatic lesions such as fractures, sprains or repeated luxations that deteriorate the solidity of the joint and sometimes its functions; intensive use of the joint is an important cause of thumb arthritis; ligament degeneration causes joint hyperlaxity.
  • #16 Arthritis – Base of the Thumb
    http://noelhenley.com/arthritis-base-of-the-thumb/
    The word arthritis means joint (arth-) inflammation (-itis). The most common form of arthritis is osteoarthritis, or OA. Another name for it is degenerative joint disease, or DJD. The disease process of arthritis causes this cartilage to wear out and the joint no longer works as it was designed to. […] This type of arthritis is more common in women than men, and usually doesn’t happen before age 40. Fractures and other trauma to the thumb joint may put you at risk for developing arthritis in the future. […] Arthritis at the base of the thumb is diagnosed by history (the story of how symptoms develop) and physical examination. […] The swelling, tenderness, or abnormal motion of other joints nearby may also reinforce the diagnosis of arthritis at the base of the thumb.
  • #17 Thumb arthritis: Symptoms, causes, and treatment
    https://www.medicalnewstoday.com/articles/323104
    Thumb arthritis usually occurs after 50 years of age and is more common in females than males. […] Thumb arthritis is usually a type of osteoarthritis (OA), which results from gradual wear in the joint. […] OA is responsible for most arthritis cases in the thumb. This means that the issue stems from gradual cartilage degeneration. […] The symptoms of thumb arthritis commonly occur due to the gradual breakdown of cartilage over time. This is often due to general wear and tear associated with aging. […] The Arthritis Foundation also suggests an injury may cause a person to develop thumb arthritis. Even if a person receives effective treatment, injured joints are more likely to develop OA over time. The most common injuries that lead to OA are fractures and dislocations. […] Joint infections may also cause a person to develop thumb arthritis.
  • #18 Understanding Thumb Arthritis: Causes, Symptoms, and Treatment – Arora Hand Surgery
    https://arorahandsurgery.com/understanding-thumb-arthritis-causes-symptoms-and-treatment/
    Thumb arthritis is primarily caused by the gradual breakdown of cartilage over time, which is often associated with aging. […] Injuries, such as thumb fractures and dislocations, can also lead to this condition. […] In rare cases, joint infections may be responsible for thumb arthritis. […] Several risk factors can increase the likelihood of developing thumb arthritis, including age, gender (with females being more prone), weight, genetics, joint laxity, hormonal changes (such as menopause), previous joint injuries, and certain occupational factors.
  • #19 Treatment for Thumb Arthritis: Exercise, Medications, and More
    https://www.healthline.com/health/osteoarthritis/thumb
    Osteoarthritis in the thumb is the most common form of arthritis that affects the hands. Osteoarthritis results from the breakdown of joint cartilage and the underlying bone. […] In people with thumb arthritis, the cushion-like cartilage inside the joint breaks down over time. This causes the bone to rub against bone. […] If you have arthritis in other joints like your knees, hips, or elbows, it may make thumb arthritis more likely. […] People assigned female at birth are more prone to thumb arthritis, especially those with very flexible or lax thumb ligaments. Statistically, females are 30 percent more likely than males to develop osteoarthritis at the base of the thumb. […] Rheumatoid arthritis is another type of arthritis that can develop in the basal joint.
  • #20 Basal Joint Arthritis: Osteoarthritis of the Thumb | HSS
    https://www.hss.edu/condition-list_basal-joint-arthritis.asp
    Basal joint arthritis is one of the most common forms of thumb arthritis. […] What causes basal joint arthritis? […] Like all other forms of osteoarthritis, basal thumb arthritis develops when the cartilage between the bones of the joint wears away. […] In basal joint arthritis, the cartilage degeneration causes the metacarpal bone to slip out of its joint with the wrist. […] Arthritis in this location generally begins to develop in people aged 40 to 50 years old. […] Often it is visible in an X-ray before a person experiences any symptoms.
  • #21 What Are the Risk Factors for Hand CMC Joint Arthritis?
    https://ioatlanta.com/blog/what-are-the-risk-factors-for-hand-cmc-joint-arthritis
    Gender can also play a role in CMC joint arthritis, with women being more prone to developing this condition. Hormonal changes, especially those associated with menopause, can contribute to the increased prevalence of hand arthritis in women. […] Genetics can play a pivotal role in the development of hand CMC joint arthritis. If there is a family history of arthritis or joint problems, patients may have a higher likelihood of experiencing similar issues. Specific genetic factors can influence how joints wear down over time, potentially increasing the susceptibility to arthritis in the CMC joint. […] Repetitive use of the hand and thumb over the years, especially in occupations or activities that involve frequent gripping and pinching motions, can contribute to the development of CMC joint arthritis.
  • #22 Guide To Basal Thumb Arthritis: Causes, Symptoms & Treatments – Hand Surgery Singapore | Advanced Hand, Wrist & Nerve Centre
    https://www.advancedhand.com.sg/articles/guide-to-basal-thumb-arthritis-causes-symptoms-treatments/
    What causes basal thumb arthritis to develop? […] The most common cause of basal thumb arthritis is the natural wear and tear that comes with ageing. […] Chronic overuse or previous injuries, such as sprains or ligament tears, can disrupt the joints stability. […] Family history plays a role in the development of basal thumb arthritis. […] Postmenopausal women are at a higher risk due to the decrease in estrogen levels, which can affect the integrity of the joint cartilage and contribute to the progression of basal thumb arthritis. […] Certain inflammatory conditions, such as rheumatoid arthritis, can affect multiple joints in the body, including the basal thumb joint.
  • #23 Thumb Arthritis: Signs, Causes, Pain Management, and More
    https://resources.healthgrades.com/right-care/arthritis/arthritis-in-the-thumb
    Researchers do not yet know what exactly causes arthritis or what triggers the breakdown of tissues in the joints to start. However, some known conditions and factors can lead to arthritis in the thumb, with many different types of arthritis affecting various joints. Osteoarthritis is the type of arthritis that most commonly causes arthritis in the thumb. Osteoarthritis refers to when the cartilage or other tissues of the joint break down, become damaged, or change in their structure. Other types of arthritis that can affect the thumb include rheumatoid arthritis, gout, and lupus arthritis. […] Arthritis in the thumb is more common in females than in males. X-rays have shown that up to 25% of females over the age of 55 have thumb arthritis.
  • #24 Understanding thumb arthritis: Causes, symptoms, treatment, and management
    https://www.ahta.com.au/thumb-arthritis
    Thumb arthritis primarily results from the gradual deterioration of the joint at the base of the thumb. Several factors can contribute to the development of this condition: […] Ageing: As individuals age, the cartilage in the thumb joint may deteriorate, leading to arthritis. […] Genetics: A family history of osteoarthritis can increase the risk of developing 1st CMC OA. […] Repetitive Use: Repeated thumb movements, especially those involving pinching and gripping, can accelerate joint degeneration.
  • #25 Treatments for Arthritis of the Thumb
    https://www.verywellhealth.com/thumb-arthritis-2549457
    Arthritis is a condition that causes inflammation and cartilage loss within the joint. There are several types of arthritis. The most common type, osteoarthritis, or wear-and-tear arthritis, occurs commonly in the joint at the base of the thumb, where the thumb meets the wrist. […] Thumb arthritis is more common in women than men and increases in frequency over the age of 50 years. […] In fact, those who have an occupation with repetitive movements are twice as likely to develop localized osteoarthritis.
  • #26 What Causes Hand CMC Joint Arthritis?
    https://ioatlanta.com/blog/what-causes-hand-cmc-joint-arthritis
    What causes thumb arthritis? In some cases, patients develop CMC thumb arthritis without obvious explanation, though there are certain risk factors that may make a person more likely to develop thumb arthritis than others. These include: Genetics, Obesity, Smoking, Sedentary lifestyle, Repetitive motion with hands, Overuse of CMC joint, Trauma. […] Most often, CMC joint arthritis is associated with repetitive gripping or pinching motions over a long period of time. These may include using scissors, driving, or even writing with a pen or pencil. For patients who develop thumb arthritis, symptoms often worsen when these activities are continued.
  • #27 What causes thumb arthritis? – PhysioFit of NC
    https://www.physiofitnc.com/what-causes-thumb-arthritis/
    What causes thumb arthritis is a common question we get as physical therapists. […] Thumb arthritis, also known as basal joint arthritis or first carpometacarpal (CMC) joint arthritis, typically occurs due to a combination of factors. […] What causes thumb arthritis includes: Aging: Thumb arthritis is more common in older adults. Over time, the cartilage that cushions the ends of the bones in the thumb joint may wear away, leading to arthritis. […] Genetics: Some individuals may have a genetic predisposition to developing thumb arthritis. If you have a family history of arthritis or joint problems, you may be at a higher risk. […] Overuse or Repetitive Motion: Frequent and repetitive use of the thumb joint can contribute to wear and tear, leading to arthritis. This is often seen in people with jobs or hobbies that involve a lot of thumb motion. This can also been seen with long periods of time using smartphones.
  • #28 Basilar Thumb Joint Arthritis – MSA Hand Center
    https://msapc.com/hand-center/hand-conditions/basilar-thumb-joint-arthritis/
    The causes of thumb arthritis include trauma, genetics, lifelong use of the hand, and inflammation. […] Thought to be due to attenuation of the anterior oblique ligament (Beak ligament) that leads to instability, subluxation and degradation of the CMC joint. […] Associated with carpal tunnel syndrome up to 50%.
  • #29 Identifying arthritis in your fingers and thumbs – Harvard Health
    https://www.health.harvard.edu/diseases-and-conditions/identifying-arthritis-in-your-fingers-and-thumbs
    Arthritis is most likely the problem, and its effects can compromise your independence. […] The most common type, osteoarthritis, is a degenerative problem that erodes the cushioning (cartilage) in the joints. […] Rheumatoid arthritis (RA) is different from osteoarthritis. It is caused by an overactive immune system that (for unknown reasons) attacks the lining of the joints. […] Several other types of arthritis can affect the fingers or thumbs, particularly two autoimmune diseases, lupus and psoriatic arthritis. […] Another form of arthritis that affects the fingers is gout, caused by a buildup of uric acid (a waste product in the blood) that can form sharp crystals in the joints that cause inflammation.
  • #30 Base of Thumb Arthritis: Causes, Symptoms, And Treatment
    https://www.mskclinic.co.uk/post/base-of-thumb-arthritis-causes-symptoms-and-treatment
    There are several types of Thumb Arthritis. The most common is Osteoarthritis, which occurs when the cartilage that cushions the bones in the joints wears out and breaks down. This could be as a result of wear and tear, or from injuries. […] Another type of arthritis is Rheumatoid Arthritis, which occurs when the body’s immune system attacks the joints. This can cause damage to the cartilage and bones in the joint as a consequence of an inflammatory process. Psoriasis, a skin condition, could also be associated with Thumb Arthritis as part of an autoimmune process. […] Hyaluronic acid (HA) injections are used to treat base of thumb joint pain. The goal of the injection is to provide joint lubrication and reduce friction. HA is a naturally occurring substance in the body that cushions and lubricates joints. It is also a main component of the joint’s synovial fluid, which is the fluid that surrounds and lubricates joints. Your body constantly produces and breaks down HA. However, over time, your body produces less HA, and the HA that is produced breaks down more quickly.
  • #31 Thumb Conditions and Problems – Trinity Health
    https://www.trinityhealth.org/services/hand-wrist-care/thumb-conditions-and-problems/
    Our specialists treat a variety of thumb conditions, including arthritis and pain, tendon injuries, and sprains. […] As we age, we may develop thumb arthritis. This happens when cartilage wears away from the joint at the base of the thumb. Without cartilage the bones rub against each other, causing pain and joint damage. […] Risk for thumb arthritis is higher in females and people over the age of 40. Other risk factors include: […] Diseases that affect the cartilage such as rheumatoid arthritis […] Hereditary conditions such as malformed joints […] Injuries to the thumb joint […] Obesity […] Repetitive motion and activities that put stress on the thumb joint. […] De Quervain Tenosynovitis is most often caused by repetitive use of the hand and wrist. […] Sometimes called “skier’s thumb,” this injury can occur when a skier falls on their hand while holding a ski pole, for example. Other causes are repetitive overstretching of the thumb joint or if the thumb gets jammed backward on a hard surface.
  • #32 Basal thumb arthritis: Is it causing your thumb joint pain? | HealthPartners Blog
    https://www.healthpartners.com/blog/thumb-arthritis/
    There are several reasons why you may be more likely to get thumb arthritis, including: Being a female (or assigned female at birth), Age of 40 years or older, Being very overweight, Hereditary conditions that affect joint stability or structure, Jobs or activities that require repetitive motions or forceful gripping, Previous thumb injury.
  • #33 What Are the Risk Factors for Hand CMC Joint Arthritis?
    https://ioatlanta.com/blog/what-are-the-risk-factors-for-hand-cmc-joint-arthritis
    Trauma, such as a previous injury to the thumb or hand, can also be a significant risk factor for thumb arthritis. Fractures, dislocations, or other injuries that affect the CMC joint may alter its structure and increase vulnerability to arthritis. […] Maintaining a healthy weight is crucial for overall joint health, including the CMC joint. Excess body weight places additional stress on joints, accelerating the wear and tear process. Obesity is associated with a higher risk of developing arthritis, and addressing weight management becomes an essential aspect of preventing and managing CMC joint arthritis. […] Additionally, lifestyle factors such as diet can influence the risk of arthritis. Diets rich in inflammatory foods may contribute to joint inflammation, exacerbating arthritis symptoms. On the other hand, a well-balanced diet with anti-inflammatory properties can potentially mitigate the risk and impact of CMC joint arthritis.
  • #34 Thumb Osteorthritis. Causes, Symptoms and Treatment. – ReHand: Rehabilitation of hand, wrist and finger injuries via Tablet
    https://rehand.net/en/thumb-arthritis-causes-symptoms-and-treatment/
    Yusuf E (2012) published this interesting article, in which he considers it more than plausible that the main factor in osteoarthritis is metabolic and not mechanical, as has always been advocated. […] Recent studies link this patology to older age, female gender, High BMI (Overweight), repetitive thumb use at professional level and family history.
  • #35 What causes thumb arthritis? | Epitact
    https://epitact.co.uk/hand-wrist/rhizarthrosis/causes
    What causes thumb arthritis remains unclear. It can be the result of several anatomical, traumatic or mechanical factors. However, things can be done to slow down the progression of the most common symptoms of thumb arthritis (pain, loss of strength in the hand, etc.) and fight against its risk factors.
  • #36 A Comprehensive Guide to Thumb Arthritis: Causes, Symptoms, and Treatment Options
    https://www.fyzical.com/leander-tx/blog/Why-is-my-thumb-arthritis-pain-getting-worse
    Understanding the Causes of Thumb Arthritis […] Thumb arthritis is not a mysterious condition. It often results from the natural wear and tear that occurs over time. Heres a breakdown of the primary causes: […] Repetitive Movements: Constant use of your thumbs in activities like texting, typing, or playing instruments can lead to joint stress. […] Previous Injuries: Past injuries can contribute to joint instability, making arthritis more likely. […] Genetics: If arthritis runs in your family, you may be more susceptible. […] Overuse: Excessive use of your thumb joints can accelerate cartilage degeneration. […] Age: As you age, the cartilage in your thumb joints can wear down, leading to arthritis. […] By understanding these causes, you can better appreciate the factors contributing to your thumb arthritis.
  • #37 Learning About Arthritis at the Base of the Thumb | Kaiser Permanente
    https://healthy.kaiserpermanente.org/health-wellness/health-encyclopedia/he.learning-about-arthritis-at-the-base-of-the-thumb.acd8592
    Arthritis at the base of the thumb joint is wear and tear on the cartilage. […] Experts don’t know what causes arthritis at the base of the thumb. But aging, a lot of use, an injury, or family history may play a part.
  • #38 Arthritis at the Base of the Thumb | UConn Musculoskeletal Institute
    https://health.uconn.edu/msi/clinical-services/orthopaedic-surgery/hand-and-wrist/arthritis-at-the-base-of-the-thumb/
    Arthritis at the base of the thumb is more common in women and usually starts after age 40. The cause of this form of arthritis is unknown in most cases. […] Past injuries to the joint, such as fractures or severe sprains, and generalized joint laxity may increase the chances of developing this form of arthritis at a younger age.