Anatomy Of A Shoulder. It stabilizes the shoulder and holds the head of the humerus in the glenoid, a shallow cavity in the scapula. Its anatomy is made up of three parts:

In this episode of eorthopodtv, orthopaedic surgeon randale c. The shoulder is one of the most sophisticated and complicated joints of the body: The shoulder complex, composed of the clavicle, scapula, and humerus, is an intricately designed combination of four joints, the glenohumeral (gh) joint, the acromioclavicular (ac) joint and the sternoclavicular (sc) joint, and a floating joint, known as the scapulothoracic (st) joint.