Hypermobility Syndrome – part 1
There is Hypermobility and Hypermobility Syndrome (HMS). Hypermobility syndrome is the hypermobile patient with symptoms. Not all hypermobile patients are, or ever become symptomatic. HMS is a condition many individuals often experience their entire lives without ever having it diagnosed and managed correctly. Hypermobility has certain implications for the joint itself, as well as the surrounding ligaments, bones, joint capsules, muscles and tendons. It is important for a hypermobile patient’s well-being that they have effective neuromuscular control and active and passive systems that can support the joints in the body. Hypermobile joints by definition are those “displaying a range of movement that is considered excessive, taking into consideration the age, gender and ethnic background of the individual.” Hypermobility Syndrome, also known as Joint Hypermobility Syndrome or Benign Hypermobility Syndrome, is defined as ‘generalized joint laxity with associated musculoskeletal complaints in the absence of any systemic disease’. HMS is an inherited form of a connective tissue disorder. Those with Hypermobility Syndrome are believed to experience pain as a result of joint microtrauma, which has been caused by overuse and/or misuse of the tissues in which there is an inherent weakness in the collagen.
It’s signs and symptoms are so often missed and so it goes undiagnosed and so is mismanaged. This means the suffering patient can go on suffering unnecessarily.
Common Features of Hypermobility
•Females are often more mobile than males.
•Mobility varies amongst ethnicity (Asian populations seem to be more affected than European populations).
•Mobility decreases with age.
•Hypermobility can be inherited or acquired i.e. repeated subluxation of the shoulder joint.
•Hypermobility Syndrome is typically determined by the genetic make up of the individual, in particular the genes causing hypermobility are those that are responsible for the production of collagen, elastin, fibrillin and tenascin.
•Certain sports and activities (i.e., gymnastics, ballet dancing, swimming) have shown to have a greater number of individuals with hypermobility.
•Musculoskeletal regions commonly affected include the achilles tendon, patellofemoral joint, rotator cuff, carpal tunnel, cervical and lumbar spine (non specific lower back pain and medial and lateral epicondyles.
•Hypermobile individuals may suffer from clicking, spondylolithesis and pars fractures.
•Hypermobility is a risk factor for the development of early Osteoarthritis.
•Fibromyalgia is commonly diagnosed in individuals with Hypermobility Syndrome
The Beigton Score System (below) is a 9-point scale originally introduced to recognize hypermobile patients within the population. Primary health care practitioners now use it as a common screening process to help determine whether an individual has hypermobility.
•Passively dorsiflex 5th metacarpophalangeal joint to > 90 degrees (2 points)
•Passively take thumb to forearm (2 points)
•Passive hyperextend the elbow to > 10 degrees (2 points)
•Passively hyperextend the knee to > 10 degrees (2 points)
•Actively place hands flat on floor without bending the knees (1 point)
There can be a total score of 9. The revised diagnostic criteria for hypermobility requires you to get a Beigton score of 4/9 and have arthralgia (joint pain) for longer than three months in more than four or more joints.
There is also the Brighton Criteria that aids in the diagnosis of Hypermobility Syndrome. These include:
Dislocation and/or subluxation in more than one joint and on one or more occasions.
Abnormal skin: striae, thin skin, increased stretch of skin.
Eye signs: drooping eyelid or myopia
Varicose veins, hernia, or uterine/rectal problems
Soft tissue rheumatism (i.e., epicondylitis, tenosynovitis, synovitis)
Hypermobility and Connective Tissue Disorders
Marfan’s Syndrome, Ehlers-Danlos Syndrome and Osteogenesis Imperfecta are each genetic disorders in which the connective tissue of the individual is affected. Each disorder is different in its epidemiology, incidence and clinical presentation. While it is beyond the realm of this article to discuss each of these conditions in detail, if you have a patient with one of these disorders, you should conduct further reading in order to gain a better understanding of the disorder, its implications and how you can alter your training program to better suit your patient.
Rehabilitation and Exercise Prescription
Management of the patient will largely depend upon his/her age, current physical condition, hypermobility state and personal goals. The primary aim of dealing with any hypermobile patient should be to reduce disability and increase function. This should incorporate a holistic approach which addresses not only the fitness components but also addresses dietary, work and other lifestyle components.
Hypermobility and Acute or Chronic Injury
The acute hypermobile client should be managed like any other acute musculoskeletal injury. During the acute stages, you should be aiming to reduce swelling, inflammation, pain and restrict any aggravating or maintaining factors. Always refer your patient to a medical practitioner or hospital if you suspect anything serious. In the sub-acute or chronic hypermobile patient, the aim should be to restore normal function and reduce pain to a comfortable level. This could range from prescribing an exercise program to referring your patient for specific treatment from a GP, Physiotherapist, Osteopath or Podiatrist. It is always best to seek treatment from a practitioner that that works with and understands the implications of HMS. Failing to correctly manage with your client’s sub-acute/chronic injury could result in the development of compensatory patterns, which in turn could lead to problems developing elsewhere.
Training the hypermobile patient requires special attention to certain training principles. You need to consider all joint, muscle and ligament actions when training, making sure that you train throughout the entire range of movement and training the muscles for isometric, isotonic, concentric and eccentric actions.
Stability of a joint is determined by the integrity of the musculoskeletal system (muscle, tendon, capsule, ligament and articular surfaces) and the neural control system (motor and sensory). It is important to address these aspects when devising a program in order to develop optimum function.
The key fitness components that need addressing in the hypermobile client include:
Each of these fitness components requires extra attention in clients with Hypermobility Syndrome. However, each program will differ considerably depending upon each patient (i.e., client age, current physical state, hypermobility and goals). Programs could range from being as simple as improving one’s functional state (i.e., daily living activities such as walking, squatting, sitting up and down) to training elite athletes. Essentially, you will need to assess each case individually and design a program specific to the client’s needs.
Your program should try to:
Train function. Include functional activities such as push/pull, step up/down, squat, lunge and rotation exercises in your program.
Strengthen muscles equally and ensure there is a balance among agonist, antagonist and synergistic muscles.
Train movements rather than muscles, when possible.
Progress from slow to fast, stable to unstable, simple to complex, non weight bearing to weight bearing, closed chain to open chain, one plane to multi plane.
In Part 2 of this article, I will be taking a more in depth look at the individual assessment of the hypermobile patient and how we can deal with the common musculoskeletal issues one may have. The article has been divided into bodily regions, outlining what we should be looking for in the assessment, how this interacts with other regions of the body and how we can go about correcting these problems.
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