Hypermobility ( joints ) - wikipedia Hypermobility ( joints ) This article has multiple issues. Please help improve it or discuss these issues on the talk page. ( Learn how and when to remove these template messages ) This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. ( May 2009 ) This article may require cleanup to meet Wikipedia 's quality standards. No cleanup reason has been specified. Please help improve this article if you can. ( November 2011 ) Hypermobility Synonyms hyperlaxity, benign joints hypermobility syndrome ( BJHS ), hypermobility syndrome ( HMS ) Hypermobile fingers and thumb Specialty Rheumatology ( edit on Wikidata ) Hypermobility, also known as double - jointedness, describes joints that stretch farther than normal. For example, some hypermobile people can bend their thumbs backwards to their wrists, bend their knee joints backwards, put their leg behind the head or perform other contortionist `` tricks ''. It can affect one or more joints throughout the body. Hypermobile joints are common and occur in about 10 to 25 % of the population. It is usually not associated with any symptoms but a minority of people develop other conditions caused by their unstable joints ; in such cases, it is known as joints hypermobility syndrome ( JHS ). Joint hypermobility syndrome is sometimes interchangeably called Ehlers -- Danlos syndrome hypermobile type. As no genetic test can identify or separate either conditions and because of the similarity of the diagnosis criteria and recommended treatments, many experts recommend they should be recognized as the same condition until further research is carried out. Contents 1 Signs and symptoms 1.1 Associated conditions 2 Causes 2.1 Syndromes 3 Diagnosis 3.1 Brighton criteria 3.1. 1 Major criteria 3.1. 2 Minor criteria 3.2 Beighton score 4 Treatments 4.1 Physical therapy 4.2 Medication 4.3 Lifestyle modification 4.4 Other treatments 5 Epidemiology 6 See also 7 References 8 External links Signs and symptoms People with Joint Hypermobility Syndrome may develop other conditions caused by their unstable joints. These conditions include : Joint instability causing frequent sprains, tendinitis, or bursitis when doing activities that would not affect others Joint pain Early - onset osteoarthritis ( as early as during teen years ) Subluxations or dislocations, especially in the shoulder ( severe limits to ability to push, pull, grasp, finger, reach, etc., is considered a disability by the US Social Security Administration ) Knee pain Fatigue, even after short periods of exercise Back pain, prolapsed discs or spondylolisthesis Joints that make clicking noises ( also a symptom of osteoarthritis ) Susceptibility to whiplash Temporomandibular Joint Syndrome also known as TMJ Increased nerve compression disorders ( such as carpal tunnel syndrome ) The ability of finger locking Poor response to anaesthetic or pain medication `` Growing pains '' as described in children in late afternoon or night Associated conditions Those with hypermobile joints are more likely to have fibromyalgia, mitral valve prolapse, and anxiety disorders such as panic disorder. Causes Hypermobility generally results from one or more of the following : Abnormally shaped ends of one or more bones at a joint A Type 1 collagen or other connective tissue defect ( as found in Ehlers - Danlos syndrome, Loeys - Dietz syndrome and Marfan syndrome ) resulting in weakened ligaments / ligamentous laxity, muscles and tendons. This same defect also results in weakened bones, which may result in osteoporosis and fractures. Abnormal joint proprioception ( an impaired ability to locate body parts in space and / or monitor an extended joint ) These abnormalities cause abnormal joint stress, meaning that the joints can wear out, leading to osteoarthritis. The condition tends to run in families, suggesting a genetic basis for at least some forms of hypermobility. The term double jointed is often used to describe hypermobility ; however, the name is a misnomer and should not be taken literally, as hypermobile joints are not doubled / extra in any sense. Most people have hypermobility with no other symptoms. Approximately 5 % of the healthy population have one or more hypermobile joints. However, people with `` joint hypermobility syndrome '' are subject to many difficulties. For example, their joints may be easily injured, be more prone to complete dislocation due to the weakly stabilized joint and they may develop problems from muscle fatigue ( as muscles must work harder to compensate for weakness in the ligaments that support the joints ). Hypermobility syndrome can lead to chronic pain or even disability in severe cases. Musical instrumentalists with hypermobile fingers may have difficulties when fingers collapse into the finger locking position. Or, conversely, they may display superior abilities due to their increased range of motion for fingering, such as in playing a violin or cello. Hypermobility may be symptomatic of a serious medical condition, such as Stickler Syndrome, Ehlers - Danlos syndrome, Marfan syndrome, Loeys - Dietz syndrome, rheumatoid arthritis, osteogenesis imperfecta, lupus, polio, Down syndrome, morquio syndrome, cleidocranial dysostosis or myotonia congenita. Hypermobility has been associated with chronic fatigue syndrome and fibromyalgia. Hypermobility causes physical trauma ( in the form of joint dislocations, joint subluxations, joint instability, sprains, etc. ). These conditions often, in turn, cause physical and / or emotional trauma and are possible triggers for conditions such as fibromyalgia. Women with hypermobility may experience particular difficulties when pregnant. During pregnancy, the body releases certain hormones that alter ligament physiology, easing the stretching needed to accommodate fetal growth as well as the birthing process. The combination of hypermobility and pregnancy - related pelvic girdle during pregnancy can be debilitating. The pregnant woman with hypermobile joints will often be in significant pain as muscles and joints adapt to the pregnancy. Pain often inhibits such women from standing or walking during pregnancy. The pregnant patient may be forced to use a bedpan and / or a wheelchair during pregnancy and may experience permanent disability. Symptoms of hypermobility include a dull but intense pain around the knee and ankle joints and the soles of the feet. The pain and discomfort affecting these body parts can be alleviated by using custom orthoses. Syndromes Hypermobile metacarpo - phalangeal joints Hyperextension thumb Hypermobility syndrome is generally considered to comprise hypermobility together with other symptoms, such as myalgia and arthralgia. It is relatively common among children and affects more females than males. Current thinking suggests four causative factors : The shape of the ends of the bones -- Some joints normally have a large range of movement, such as the shoulder and hip. Both are ball and socket joints. If a shallow rather than a deep socket is inherited, a relatively large range of movement will be possible. If the socket is particularly shallow, then the joint may dislocate easily. Protein deficiency or hormone problems -- Ligaments are made up of several types of protein fibre. These proteins include elastin, which gives elasticity and which may be altered in some people. Female sex hormones alter collagen proteins. Women are generally more supple just before a period and even more so in the latter stages of pregnancy, because of a hormone called relaxin that allows the pelvis to expand so the head of the baby can pass. Joint mobility differs by race, which may reflect differences in collagen protein structure. People from the Indian sub-continent, for example, often have more supple hands than Caucasians. Muscle tone -- The tone of muscles is controlled by the nervous system, and influences range of movement. Special techniques can change muscle tone and increase flexibility. Yoga, for example, can help to relax muscles and make the joints more supple. Please note that Yoga is not recommended by most medical professionals for people with Joint Hypermobility Syndrome due to likelihood of damage to the joints. Gymnasts and athletes can sometimes acquire hypermobility in some joints through activity. Proprioception -- Compromised ability to detect exact joint / body position with closed eyes, may lead to overstretching and hypermobile joints. Hypermobility can also be caused by connective tissue disorders, such as Ehlers - Danlos Syndrome ( EDS ) and Marfan syndrome. Joint hypermobility is a common symptom for both. EDS has numerous sub-types ; most include hypermobility in some degree. When hypermobility is the main symptom, then EDS / hypermobility type is likely. People with EDS - HT suffer frequent joint dislocations and subluxations ( partial / incomplete dislocations ), with or without trauma, sometimes spontaneously. Commonly, hypermobility is dismissed by medical professionals as nonsignificant. Diagnosis Joint hypermobility syndrome shares symptoms with other conditions such as Marfan syndrome, Ehlers - Danlos Syndrome, and osteogenesis imperfecta. Experts in connective tissue disorders formally agreed that severe forms of Hypermobility Syndrome and mild forms of Ehlers - Danlos Syndrome Hypermobility Type are the same disorder. ( citation needed ) Generalized hypermobility is a common feature in all these hereditary connective tissue disorders and many features overlap, but often features are present that enable differentiating these disorders. The inheritance pattern of Ehlers - Danlos syndrome varies by type. The arthrochalasia, classic, hypermobility and vascular forms usually have an autosomal dominant pattern of inheritance. Autosomal dominant inheritance occurs when one copy of a gene in each cell is sufficient to cause a disorder. In some cases, an affected person inherits the mutation from one affected parent. Other cases result from new ( sporadic ) gene mutations. Such cases can occur in people with no history of the disorder in their family. The dermatosparaxis and kyphoscoliosis types of EDS and some cases of the classic and hypermobility forms, are inherited in an autosomal recessive pattern. In autosomal recessive inheritance, two copies of the gene in each cell are altered. Most often, both parents of an individual with an autosomal recessive disorder are carriers of one copy of the altered gene but do not show signs and symptoms of the disorder. Brighton criteria As of July 2000, hypermobility was diagnosed using the Brighton criteria. The Brighton criteria do not replace the Beighton score but instead use the previous score in conjunction with other symptoms and criteria. HMS is diagnosed in the presence of either two major criteria, one major and two minor criteria, or four minor criteria. The criteria are : Major criteria A Beighton score of 4 / 9 or more ( either current or historic ) Arthralgia for more than three months in four or more joints Minor criteria A Beighton score of 1, 2 or 3 / 9 ( 0, 1, 2 or 3 if aged 50 + ) Arthralgia ( > 3 months ) in one to three joints or back pain ( > 3 months ), spondylosis, spondylolysis / spondylolisthesis. Dislocation / subluxation in more than one joint, or in one joint on more than one occasion. Soft tissue rheumatism. > 3 lesions ( e.g. epicondylitis, tenosynovitis, bursitis ). Marfanoid habitus ( tall, slim, span / height ratio > 1.03, upper : lower segment ratio less than 0.89, arachnodactyly ; positive Steinberg thumb / Walker wrist signs ). Abnormal skin : striae, hyperextensibility, thin skin, papyraceous scarring. Eye signs : drooping eyelids, myopia or antimongoloid slant ( Palpebral slant ) Varicose veins or hernia or uterine / rectal prolapse. Beighton score The Beighton score is an edited version of the Carter / Wilkinson scoring system which was used for many years as an indicator of widespread hyper - mobility. Medical professionals varied in their interpretations of the results ; some accepting as low as 1 / 9 and some 4 / 9 as a diagnosis of HMS. Therefore, it was incorporated, with clearer guidelines, into the Brighton Criteria. The Beighton score is measured by adding 1 point for each of the following : Placing flat hands on the floor with straight legs Left knee bending backward Right knee bending backward Left elbow bending backward Right elbow bending backward Left thumb touching the forearm Right thumb touching the forearm Left little finger bending backward past 90 degrees Right little finger bending backward past 90 degrees Treatments This section does not cite any sources. Please help improve this section by adding citations to reliable sources. Unsourced material may be challenged and removed. ( March 2014 ) Physical therapy It is important that hypermobile individuals remain fit - even more so than the average individual - to prevent recurrent injuries. Regular exercise and exercise that is supervised by a physician and physical therapist can reduce symptoms because strong muscles increase dynamic joint stability. Low - impact exercise such as closed chain kinetic exercises are usually recommended as they are less likely to cause injury when compared to high - impact exercise or contact sports. Heat and cold treatment can help temporarily to relieve the pain of aching joints and muscles but does not address the underlying problems. Medication Medication is not the primary treatment for hypermobility, but can be used as an adjunct treatment for related joint pain. NSAIDS are the primary medications of choice. Narcotics are not recommended for primary or long term treatment and are reserved for short term use after acute injury. Lifestyle modification For some people with hypermobility, lifestyle changes decrease symptom severity. In general activity that increases pain is to be avoided. For example : Typing can reduce pain from writing. Voice control software or a more ergonomic keyboard can reduce pain from typing. Bent knees or sitting can reduce pain from standing. Unwanted symptoms are frequently produced by some forms of yoga and weightlifting. Use of low impact elliptical training machines can replace high - impact running. Pain - free swimming may require a kickboard or extra care to avoid hyperextending elbow and other joints. Weakened ligaments and muscles contribute to poor posture, which may contribute to other medical conditions. Isometric exercise avoids hyperextension and contributes to strength. Other treatments Bracing can be helpful for temporarily protecting unstable joints. Epidemiology Hypermobile joints occur in about 10 to 25 % of the population. See also Ligamentous laxity References Jump up ^ Federman CA, Dumesic DA, Boone WR, Shapiro SS. `` Relative efficiency of therapeutic donor insemination using a luteinizing hormone monitor ''. Fertil Steril. 54 : 489 -- 92. PMID 2204553. ^ Jump up to : Garcia - Campayo, J ; Asso, E ; Alda, M ( February 2011 ). `` Joint hypermobility and anxiety : the state of the art ''. Current psychiatry reports. 13 ( 1 ) : 18 -- 25. doi : 10.1007 / s11920 - 010 - 0164 - 0. PMID 20963520. Jump up ^ `` Joint double jointed ness Arthritis Research UK ''. www.arthritisresearchuk.org. Retrieved 2016 - 12 - 02. ^ Jump up to : `` Joint hypermobility - NHS Choices ''. NHS choices. Retrieved 2016 - 12 - 02. Jump up ^ `` Hypermobility Syndromes Association '' JHS v EDS Hypermobility - Same Thing ? ``. hypermobility.org. Archived from the original on 2016 - 11 - 25. Retrieved 2016 - 11 - 24. Jump up ^ `` Ehlers Danlos UK - JHS vs EDS ''. www.ehlers-danlos.org. Archived from the original on 2016 - 11 - 25. Retrieved 2016 - 11 - 24. Jump up ^ `` Clinician 's Guide to JHS ''. hypermobility.org. Hypermobility Syndromes Association. Retrieved 2016 - 12 - 02. Jump up ^ `` 1.00 Musculoskeletal System - Adult ''. SSA.gov. Social Security Administration. 2013 - 05 - 31. Retrieved 2014 - 03 - 06. ^ Jump up to : Simpson, MR ( September 2006 ). `` Benign joint hypermobility syndrome : evaluation, diagnosis, and management ''. The Journal of the American Osteopathic Association. 106 ( 9 ) : 531 -- 536. PMID 17079522. Archived from the original on 2013 - 03 - 02. Jump up ^ `` Fibromyalgia : Possible Causes and Risk Factors ''. Webmd.com. 2008 - 05 - 21. Retrieved 2014 - 03 - 06. Jump up ^ Keer, Rosemary ; Rodney Grahame ( 2003 ). Hypermobility syndrome : recognition and management for physiotherapists. Edinburgh : Butterworth - Heinemann. p. 71. ISBN 0 - 7506 - 5390 - 6. Asian Indians were found by Wordsworth et al. ( 1987 ) to be significantly more mobile than English Caucasians. Jump up ^ `` Joint hypermobility ''. Arthritis Research UK. Archived from the original on 2009 - 04 - 08. Jump up ^ Levy, Howard ( 2004 ). `` The Ehlers Danlos Syndrome, Hypermobility Type. '' University of Washington : NIH. Retrieved from Jump up ^ Zweers MC, Kucharekova M, Schalkwijk J ( March 2005 ). `` Tenascin - X : a candidate gene for benign joint hypermobility syndrome and hypermobility type Ehlers - Danlos syndrome ? ''. Ann. Rheum. Dis. 64 ( 3 ) : 504 -- 5. doi : 10.1136 / ard. 2004.026559. PMC 1755395. PMID 15708907. Jump up ^ Grahame R. The revised ( Brighton 1998 ) criteria for the diagnosis of benign joint hypermobility syndrome ( BJHS ). J Rheumatol. 2000 ; 27 : 1777 -- 1779 External links Classification V T D ICD - 10 : M35. 7 ICD - 9 - CM : 728.5 OMIM : 147900 MeSH : D007593 DiseasesDB : 31101 External resources MedlinePlus : 003295 Wikimedia Commons has media related to Hypermobility. Systemic connective tissue disorders ( M32 -- M36, 710 ) General Systemic lupus erythematosus Drug - induced SLE Libman -- Sacks endocarditis Inflammatory myopathy Myositis Dermatopolymyositis Dermatomyositis / Juvenile dermatomyositis Polymyositis * Inclusion body myositis Scleroderma Systemic scleroderma Progressive systemic sclerosis CREST syndrome Overlap syndrome / Mixed connective tissue disease Other hypersensitivity / autoimmune Sjögren 's syndrome Other Behçet 's disease Polymyalgia rheumatica Eosinophilic fasciitis Eosinophilia -- myalgia syndrome fibrillin Marfan syndrome Congenital contractural arachnodactyly Soft tissue disorders / Rheumatism / Connective tissue arthropathy ( M65 -- M79, 725 -- 728 ) Capsular joint Synoviopathy Synovitis / Tenosynovitis Calcific tendinitis Stenosing tenosynovitis Trigger finger De Quervain 's syndrome Transient synovitis Ganglion cyst osteochondromatosis Synovial osteochondromatosis Plica syndrome villonodular synovitis Giant cell tumor of the tendon sheath Bursopathy Bursitis Olecranon Prepatellar Trochanteric Subacromial Achilles Retrocalcaneal Ischial Iliopsoas Synovial cyst Baker 's cyst Calcific bursitis Noncapsular joint Ligamentopathy Ligamentous laxity Hypermobility Enthesopathy / Enthesitis ( and general tendinopathy ) upper limb Adhesive capsulitis of shoulder Impingement syndrome Rotator cuff tear Golfer 's elbow Tennis elbow lower limb Iliotibial band syndrome Patellar tendinitis Achilles tendinitis Calcaneal spur Metatarsalgia Bone spur other / general : Tendinitis Tendinosis Nonjoint Fasciopathy Fasciitis : Plantar Nodular Necrotizing Eosinophilic Fibromatosis / contracture Dupuytren 's contracture Plantar fibromatosis Aggressive fibromatosis Knuckle pads Retrieved from `` https://en.wikipedia.org/w/index.php?title=Hypermobility_(joints)&oldid=828739743 '' Categories : Ehlers -- Danlos syndrome Disorders of fascia Syndromes Arthritis Skeletal disorders Rheumatology Contortion Hidden categories : Articles needing additional references from May 2009 All articles needing additional references Articles needing cleanup from November 2011 All pages needing cleanup Cleanup tagged articles without a reason field from November 2011 Wikipedia pages needing cleanup from November 2011 Articles with multiple maintenance issues Infobox medical condition ( new ) Articles needing additional references from March 2014 Talk Contents About Wikipedia Català Dansk Deutsch Español Français Nederlands 日本 語 Português Русский Simple English Suomi Svenska 5 more Edit links This page was last edited on 4 March 2018, at 13 : 39. 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Question: why do my fingers bend so far back
Answer: Hypermobility