In the shoulder joint, the head of the humerus (upper arm bone) functions as the ball and the glenoid cavity of the scapula functions as the socket. The shoulder labrum, also known as the glenoid ...

In the shoulder joint, the head of the humerus (upper arm bone) functions as the ball and the glenoid cavity of the scapula functions as the socket. The shoulder labrum, also known as the glenoid ...

Intertitle: Radiogram of shoulder joint, arm dependent. The lower border of the anatomical neck rests one third of the way up the glenoid cavity. An x-ray shows the shoulder joint. Intertitle: ...