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The TMC joint is a synovial joint between the trapezium bone of the wrist and the metacarpal bone at the base of the thumb. This joint is a so-called saddle joint (articulatio sellaris), unlike the CMC joints of the other four fingers which are ellipsoid joints. [17] This means that the surfaces of the TMC joint are both concave and convex.
Scapholunate advanced collapse (also known as SLAC wrist) is a type of wrist osteoarthritis.SLAC wrist is the most common type of post-traumatic wrist osteoarthritis [1] and is often the result of an undiagnosed or untreated scapholunate ligament rupture. [2]
Complications of treatment may include joint stiffness and scar formation. [26] Recurrence of the lesion is more common following excision of a volar ganglion cyst in the wrist. Incomplete excision that fails to include the stalk or pedicle also may lead to recurrence, as will failing to execute a layered closure of the incision.
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Total wrist arthrodesis is the standard surgical treatment for patients with stage IV wrist osteoarthritis. During this procedure the carpal bones are all fused together and are then fastened to the distal radius. [14] This procedure eliminates all wrist motion, but heavy labor is still possible. [19]
An alternative treatment for patients with ulnar-sided wristpain is a total replacement of the distal radial-ulnar joint. There are many surgical treatments of the condition, but most of these only improve the alignment and function of the radiocarpal joint. A persistent problem in these treatments has been the stiff DRUJ.
PTs and OTs often use wrist splinting as a form of treatment. Splints may be pre-fabricated or custom-fit. Prefabricated splints are sold in health care supply stores and are an inexpensive option for clients. Prefabricated splints may be used but the fit may not be precise enough for all individuals. In this case, a custom fit splint is ...
Symptomatic malunion may require additional surgery. If the joint surface is damaged and heals with more than 1–2 mm of unevenness, the wrist joint will be prone to post-traumatic osteoarthritis. Half of nonosteoporotic patients will develop post-traumatic arthritis, specifically limited radial deviation and wrist flexion.