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 ...

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 in ...

What most of us commonly refer to as the “backside of our body” actually has an anatomical name: the posterior chain. While the posterior chain runs from your neck down to your ankles, the focus is ...