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 ...

Posterior instability is less common than anterior shoulder instability, encompassing approximately 10% of all shoulder instability in young active patients. The etiology of posterior instability is ...

Shoulder dislocations are a fairly common injury in younger patients with shoulder injuries. Anterior dislocations are more common than posterior dislocations; the mechanism is typically forces that ...