2008三医大 WJ Chen Sternoclavicular ioint Joints of the upper limb Shoulder joint Joints of shoulder girdle sternoclavicular ioint 森 Joints of free bones shoulder ioint elbow joint, joints of hand Elbow joint Wrist joint wrist ioint2008 三医大WJ Chen 14 Joints of shoulder girdle： sternoclavicular joint Joints of free bones： shoulder joint，elbow joint，joints of hand （wrist joint） Sternoclavicular joint Shoulder joint Elbow joint Wrist joint Joints of the upper limb