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 ...

The large shoulder muscles are responsible for most of the shoulder’s work. The four muscles of your rotator cuff keep the head of your upper arm bone, the humerus, from popping out of the ...

Here's a simpler way. First, a little anatomy. The rotator cuff is actually made up of four muscles that stabilize the shoulder and give it amazing range of motion. Every year more than 2 million ...