The serratus posterior inferior muscle is one of the back’s two intermediate muscles (the other is called the serratus posterior superior muscle), which means it’s neither a surface nor a deep muscle.

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 back consists of large, complex muscles that support your trunk and spine. There are many types of back muscles, and they are all essential, helping you walk, bend, twist, and hold your body ...

Hip extension exercises build up our often neglected posterior chain—the muscles on the back of the body. Balancing your strength routine with moves that focus on your backside is important to ...

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 ...

"Swimming is a cornerstone Pilates exercise for full-body functional strength, targeting the posterior chain (back, glutes, ...