Posterior shoulder dislocation occurs when the top of the upper arm bone, known as the humerus, moves backward out of its socket. This causes pain, muscle spasms, and a limited range of motion. The ...

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 ...

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 ...