Major Muscles and Actions Involved
The flexor carpi ulnaris and the flexor carpi radialis muscles are involved in wrist joint flexion. In this action the palm side of the hand moves toward the forearm.
Wrist joint flexion and the muscles involved are most important in almost all sports that require throwing actions. The sports include baseball, football, team handball, softball, javelin, and basketball. In the field events in track, wrist joint flexion is essential in the shot put and javelin throw. It is also very important in hitting actions such as the tennis, badminton and racquetball flat serves, smashes, and forehands, the volleyball spike, ice and field hockey hits and “throws” as in lacrosse.
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