The shoulder muscles are responsible for maintaining the widest range of motion of any joint in your body. This flexibility is also what makes the shoulder prone to instability and injury.

Want to max out the muscle growth of your shoulders? These exercises will work the anterior, medial and posterior portions of ...

You use your posterior deltoids when you reach backward or rotate the shoulder. They’re often the smallest of the three because they can get less use than the other two. Your deltoid muscles ...

Obtaining a focused history and performing a proper examination of the shoulder facilitate diagnosis and treatment. This video reviews the anatomy ... of the anterior, posterior, and lateral ...

The deltoid muscle is ... your upper arm and shoulder. Its main purpose is to help you lift and rotate your arm. The deltoid muscle has three parts: anterior, lateral, and posterior.

[7–9] Specifically, several researchers [10–13] hypothesized that the stiffness of specific muscles (rotator cuff) may contribute to posterior shoulder stiffness. These potential mechanisms ...

The rotator cuff is a set of muscles that helps the arm and shoulder move ... In this article, we discuss the anatomy and function of the rotator cuff and common injuries that affect this muscle ...

Measurement of posterior shoulder tightness was based on horizontal flexion ROM (cross-chest adduction) measurement. [15] Because we measured the transverse tightness of the muscles by ...