Learn the anatomy of arm muscles and the armpit with an artist-focused approach. This video breaks down muscle groups, forms, and movement in a clear, practical way, helping you draw arms that look ...

Part two of two teaching films about human anatomy which is devoted to the action of the skeletal muscles in producing movement of the bones at the joints of the human skeleton. It uses live action ...

A concentric contraction is a type of muscle activation that causes tension on your muscle as it shortens. As your muscle shortens, it generates enough force to move an object. This is the most ...

A complex system of nerves and muscles enables the human eye to blink, gaze, and shift focus. The trochlear nerve is one of six cranial nerves that carry electrical impulses from the brain to the eye.