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 arm ...

The rotator cuff is a set of muscles that helps the arm and shoulder move. Injuries to the rotator cuff are fairly common, but many effective treatments are available. These muscles work together to ...

The shoulder muscles are responsible for maintaining the widest range of motion of any joint in your body. This flexibility is also what makes the shoulder prone to instability and injury. Muscles, ...

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 your ...

The shoulder is a ball-and-socket joint that connects the upper arm bone to the shoulder blade. Four muscles attach to the bones of the shoulder joint, and these form the rotator cuff. Performing ...

The shoulder represents one of the most elaborate areas of the human body consisting of a ball and socket joint, which offers an extreme range of motion, but it is also commonly prone to dysfunction.