The human shoulder is made up of three bones : the clavicle ( collarbone ) , the scapula ( shoulder blade ) , and the humerus ( upper arm bone ) as well as associated muscles , ligaments and tendons .
The human shoulder is made up of three bones : the clavicle ( collarbone ) , the scapula ( shoulder blade ) , and the humerus ( upper arm bone ) as well as muscles , ligaments and tendons .