You are watching: The true wrist or carpus consists of
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Related Topics:carpal bonecarpal tunnelmidcarpal jointradiocarpal jointtransverse carpal ligament...(Show more)
wrist, additionally called carpus, complex joint between the 5 metacarpal bones of the hand and the radius and also ulna skeletal of the forearm. The wrist is written of eight or ripe small, brief bones (carpal bones) approximately arranged in 2 rows. The wrist is likewise made up of several component joints: the distal radioulnar joint, i m sorry acts together a pivot for the forearm bones; the radiocarpal joint, between the radius and also the first row that carpal bones, associated in wrist flexion and also extension; the midcarpal joint, between two that the rows the carpal bones; and also various intercarpal joints, between surrounding carpal bones within the rows. The plenty of bones and also their complicated articulations provide the wrist that is flexibility and also wide variety of motion.
A disc of fibrous cartilage between the radius and the ulna the end the radioulnar share from the rest of the wrist, i beg your pardon is included within a capsule that cartilage, synovial membrane, and ligaments. Radiocarpal ligaments carry the hand in addition to the forearm in rotational movements, and intercarpal ligaments combine the small wristbones.
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The large number of bones in the wrist pressure blood vessels and also nerves in the area to pass with a narrow opening, the carpal tunnel. In carpal tunnel syndrome, a narrowing of this opened painfully compresses the nerves throughout wrist flexion. Other usual wrist problems include bone fractures, dislocations of the assorted component joints, and also inflamed tendons and also ligaments from overuse.