Your arms contain many muscles that work together to allow you to perform all sorts of motions and tasks. Each of your arms is composed of your upper arm and forearm. Your upper arm extends from your ...

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

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 ...

Grab a dumbbell and sit on a bench with back support. Extend your arm over your head until it is perpendicular to the floor and next to your head. Rotate your wrist so that the dumbbell is pointing to ...