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 ...

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 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, ...

Common arm workouts with overhead movements can cause pain or injury, according to trainer Cat Kom. If you feel a sharp pain or pinch in your shoulder or back, try a more joint-friendly exercise.

I am trying to get into shape for summer, and one area that has always been challenging has been my upper arms. Recently, though, I began a workout routine, but a friend warned me about the risk of ...

On Friday, the Food and Drug Administration (FDA) approved the sale and marketing of a prosthetic arm called the DEKA Arm System, which uses electronic signals from the wearer's muscles to induce up ...