You’re not alone. In this video, we break down some of the most common anatomy mistakes artists make when drawing arms — from misunderstood muscle groups to awkward proportions and stiff poses.

The latissimus dorsi is a large, flat muscle covering the width of the middle and lower back. It connects the bone of the upper arm to the spine and the hip. People often use this muscle during ...

Outward arm action in a jumping jack Rotator cuffs A group of stabilising muscles of the shoulder which helps to prevent dislocation and allows the shoulder to rotate the humerus around its own ...