Total shoulder arthroplasty is a procedure that replaces the shoulder with an artificial joint. The surgeon removes the ball of the shoulder and places a metal stem that goes into the arm bone, or ...

A person may opt for a joint replacement if arthritis or a traumatic injury damages a joint beyond repair. Orthopedic surgeons can replace many joints, including knees and hips. A joint replacement ...

A new artificial joint restores important wrist-like movements to forearm amputees, something which could dramatically improve their quality of life. A group of researchers led by Max Ortiz Catalan, ...

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.