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Anatomy Of The Hand And ThumbA total of twenty-seven bones, joints and soft tissues such as muscles, ligaments, and tendons make up the hand and wrist. In the hand there is a complete system of fingers and thumb, all with multiple joints, muscles and tendons. Five metacarpal bones make up the body of the hand and eight carpal bones make up the wrist. The thumb has two jointed bones called the phalanges and all other fingers have three jointed bones.
The fingers and thumb are straightened and the hand is raised by the help of the extensor tendons while flexor tendons help bend the fingers, thumb and hand. These tendons are surrounded, protected and guided by tendon sheaths. These tendons pass through the carpel tunnel channel, which is formed by the wrist bones and covered by the transverse carpal ligament. The median nerve supplies feeling to the thumb, index and middle fingers and runs through the carpal tunnel.
Tendons Of The Thumb The thumb is a unique and complex part of the hand. The MCP thumb joint is remarkable for the variability of motion and movement through all planes. The thumb movement is facilitated by a complete system of flexor/extensor tendons. Exercises And Stretches After injury, to promote healing and help prevent re-injury, it is important to exercise and stretch the hand and fingers. 1. Gently move
your hand or wrist to help reduce stiffness. Pain may be experienced
if there is a large amount of stiffness. |
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