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Ligamentous laxity or ligament laxity can appear in a variety of ways and levels of severity. In most people, ligaments (which are the tissues that connect bones to each other) are naturally tight in such a way that the joints are restricted to 'normal' ranges of motion. This creates normal joint stability.
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.
Slipping rib syndrome (SRS) is a condition in which the interchondral ligaments are weakened or disrupted and have increased laxity, causing the costal cartilage tips to subluxate (partially dislocate).
Facial dysmorphism-shawl scrotum-joint laxity syndrome Seaver–Cassidy syndrome is a very rare disorder characterized by certain facial, genital, and skeletal deformities, as well as an unusual susceptibility to bleeding. [ 1 ]
It is frequently co-morbid with atlanto-axial joint instability, Chiari malformation, [3] or tethered spinal cord syndrome. The condition can be brought on by physical trauma, including whiplash, laxity of the ligaments surrounding the joint, or other damage to the surrounding connective tissue.
This deformity is more common in women [citation needed] and people with familial ligamentous laxity. [2] Hyperextension of the knee may be mild, moderate or severe. The normal range of motion (ROM) of the knee joint is from 0 to 135 degrees in an adult. Full knee extension should be no more than 10 degrees.
Joint stiffness may be either the symptom of pain on moving a joint, the symptom of loss of range of motion or the physical sign of reduced range of motion. Pain on movement is commonly caused by osteoarthritis, often in quite minor degrees, and other forms of arthritis. It may also be caused by injury or overuse and rarely by more complex ...
When the structures outside the joint are affected, the term "false ankylosis" has been used in contradistinction to "true ankylosis", in which the disease is within the joint. When inflammation has caused the joint-ends of the bones to be fused together, the ankylosis is termed osseous or complete and is an instance of synostosis. Excision of ...