Definitions for "Rotator cuff"
The group of tendons and muscles that attach the bone of the upper arm to the shoulder blade and provide support and mobility to the ball-and-socket joint of the shoulder.
Comprised of four muscles in the shoulder area: supraspinatus, infraspinatus, teres minor, and subscapularis. Often irritated by overuse.
four intrinsic muscles of the shoulder responsible for arm rotation and keeping the humerus in the glenoid fossa.