Your rotator cuff includes several muscles that support range of motion in your arm and shoulder while holding the socket in place. The rotator cuff is a group of four muscles that hold your upper ...

What Is a Rotator Cuff? Your rotator cuff is made up of muscles and tendons that keep the ball (head) of your upper arm bone (humerus) in your shoulder socket. It also helps you raise and rotate ...

A medical professional can diagnose a rotator cuff injury and recommend the proper course of treatment. In this article, we discuss the anatomy and function of the rotator cuff and common injuries ...