Brown University and Harvard University scientists created a 3-D model of a gliding pigeon, put alligators on a treadmill, and examined rare Chinese fossils to better understand the evolution of ...

Shoulder instability occurs when your shoulder joint (ball and socket) has lost is normal alignment (ball resting symmetrically in the socket), which causes your arm to lose its support. The most ...

Shoulder sprains and strains are both injuries that can happen due to overuse of or trauma to the shoulder. While the symptoms of the two are similar, they involve different types of tissue within ...

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 ...

Ben Roethlisberger's status for Sunday's Divisional Round game is very much in doubt. The Pittsburgh Steelers quarterback revealed during a radio interview Tuesday that he has torn ligaments in his ...

The shoulder is a mobile and complex joint that is prone to dislocation and injury. Several types of shoulder surgery can address and correct various shoulder symptoms. Surgery can repair several ...

PROVIDENCE, R.I. — Brown and Harvard scientists have learned that a single ligament at the shoulder joint stabilizes the wings of birds during flight. In an advanced online publication of Nature, they ...

Shoulder instability occurs when the arm’s ball joint moves in and out of the shoulder socket joint. Chronically unstable shoulders can lead to loose shoulder joints that slip out of place repeatedly.