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 ...

The shoulders are one of the most important muscles to develop for an aesthetic physique. Here's how to build them.

In the world of fitness, the mirror-muscles—the chest, biceps, and front shoulders—tend to get all the glory. However, any seasoned strength coach in the U.S. will tell you that the true key to a ...

“The posterior tibialis is a muscle that originates on the back, or posterior, part of the tibia and fibula (your lower leg bones), up close to your knee,” explains Cathlin Fitzgerald, D.P.T, C.S.C.S.

Forward head posture (FHP) is a common condition where your head is positioned with your ears in front of your body’s vertical midline. In normal or neutral head posture, your ears line up with your ...

The muscular system works to control the movement of our body and internal organs. Muscle tissue contains something called muscle fibers. Muscle fibers consist of a single muscle cell. They help to ...