What causes a rotator cuff tear? The rotator cuff is a group of muscles that surround the shoulder, stabilize it, and facilitate movement: The four rotator cuff muscles are the supraspinatus, ...

Suprascapular nerve, which supplies the supraspinatus and infraspinatus muscle to control shoulder abduction ... gene has been identified as one of the contributing causes of hereditary PTS. The SEPT9 ...