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 ...

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 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.

This study was performed to assess the incidence of generalised ligament laxity in patients presented with shoulder dislocations. Prospective data were collected for patients presented with shoulder ...

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 ...

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 ...

An anterior shoulder dislocation occurs when the shoulder slides forward out of the socket. It is usually the result of a sports injury, fall, or traffic accident. This shoulder injury is the most ...

The initial reports of no ligament damage Ben Roethlisberger claims are incorrect, claiming he has a torn ligament and sprained AC joint. Ben Roethlisberger, starting quarterback for the Pittsburgh ...

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 ...