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Shoulder Joints
Joints of the shoulder and other joint terms
joint/term | definitions |
---|---|
sternoclavicular SC | saddle joint between the end of the clavicle and sternum |
acromioclavicular AC | plane joint between the scapula and the clavicle |
glenohumeral | ball and socket joint of the humerus and the scapula |
protraction | moving the shoulder forward |
retraction | moving the shoulder backward |
elevation | raising the shoulder |
depression | lowering the shoulder |
flexion | angle of the joint is decreased |
extension | angle of the joint is increased |
medial rotation | turning toward the midline |
lateral rotation | turning away from the midline |
abduction | moving the arm away from the body |
adduction | moving the arm toward the body |
circumduction | moving the arm so the hand follows a circular path |