The axilla is the space in the interval marking the junction of the upper arm and the chest wall. It is a key area because many important neurovascular structures pass through it. It is pyramidal ...

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.

If your arm drawings feel just a little “off,” this video will show you why. From misplaced biceps to awkward elbow joints, we break down the most common anatomy mistakes artists make when ...