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, ...

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 ...

Fun fact: The shoulder joint is the most flexible joint in the body because of its ball-and-socket structure, which allows for a wide range of movements. Shoulder mobility exercises and stretches can ...

The arm extends from the shoulder to the wrist, including the upper arm and forearm. Different muscles may work together in intricate ways to help the arm, wrists, fingers, and hands function. Knowing ...