You have 20 muscles in your forearm, the part of your arm between your elbow and your hand. They help you move your arms, hands, and fingers and perform many of the tasks of daily life. You can strain ...

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, ...

Instead of trying to reinvent the human arm, German pneumatics supplier Festo decided to model a real one. The showcase product, called *Airic’s_arm, *has artificial bones which mimic real human joins ...

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 ...