A zealous pursuit of fitness often ends up with an all-too-common consequence: shoulder injury. Expert tips to exercise ...

This occurs when the angle of a joint increases, for example, at the elbow when putting a shot. Abduction – movement away from the midline of the body. This occurs at the hip and shoulder joints ...

The NIH grant will pay for the creation and testing of a prototype shoulder joint, first in a lab and then in a human cadaver, to verify that the device operates consistently and safely.

Ball and socket joints also allow flexion and extension. Flexion of the shoulder joint occurs when the humerus (upper arm) moves forwards from the rest of the body, which happens at the end of an ...