Forearm Muscles 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 ...

Human embryos are more muscle-bound than adult humans, new microscope images cataloging early development show. For instance, at seven weeks of gestation, embryonic hands have about 30 muscles.

Elbow Anatomy. Your elbow needs more than bones and joints to make the arm move. The elbow is also an axis point for many different muscles, ... This muscle helps you move your hand.