Four muscles and their tendons make up the rotator cuff; they smooth arm motion and stabilize the shoulder joint. The supraspinatus, infraspinatus, teres minor, and subscapularis aid the shoulder when ...
Everyday Health on MSN
The 5 worst exercises for your rotator cuff and 5 to do instead
Discover the worst exercises for your rotator cuff, and learn safer alternatives to keep your shoulders strong and healthy.
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