Still, for full motion and stability of the shoulder, the AC joint, SC joint, and scapulothoracic joint must also be ...

One man never turned up afterward. The police finally brought me one piece of bone and asked me to tell them whether it belonged to the man. All I could determine was that it was a male human shoulder ...

Ball and socket joint. Articulating bones are humerus and scapula (the clavicle is not part of the shoulder joint). Allows a great range of movement in all directions. Many muscles are used to ...

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 ...