Q: My shoulder's been aching for several months, mainly whenever I try to reach out to the side, behind my back or overhead. My doctor says MRI and X-rays are normal and gave me a cortisone injection, ...

The shoulder, or pectoral girdle, is a structure that plays an essential role in many functions and movements. The three shoulder bones include the scapula, the clavicle, and the humerus. A shoulder ...

Posterior shoulder dislocations are relatively uncommon, comprising only 2-4% of all shoulder dislocations. Thus, posterior dislocations often go undiagnosed, and can lead to severe consequences for ...

Many people have heard the term shoulder instability but have wondered what that means. So, what is shoulder instability? Many structures are responsible for stabilizing your shoulders. This includes ...

Though it varies greatly, the United States average shoulder width is at least 16 inches (41 cm) for men and 14 inches (36 cm) for women. The width between your shoulders can vary according to ...

A rotator cuff tear is a tear in your shoulder tendons. Four muscles come together as tendons in your shoulder to keep your upper arm bone in your shoulder socket. When your rotator cuff is torn, it ...