The hand is unique in anatomy. Hands need to be flexible enough to control fingers and thumbs. The normal function of the hand is based on the right strength. The work of fine action also requires hand-to-hand cooperation. All parts of the hand are properly organized and coordinated in order to function normally。The wristboneNear: ark, moon, triangle, beans; far: large, small, head, ditchThe palm boneWrist: front section of the wrist1. Ski