Shoulder Blade Muscle Anatomy. Ad Fast Cost-Effective Shoulder Pain Treatments. This may result from overuse or stress on the arms or upper back.
Infraspinatus is a wide triangular muscle that attaches to the rear of the shoulder blade below the supraspinatus. Teres minor is a narrow muscle on the underside of the upper arm that connects. The serratus anterior is a muscle that attaches your shoulder blade known as your scapula to your rib cage.
Learn the anatomy of the spine.
The scapula or shoulder blade is a large triangular-shaped bone that lies in the upper back. The bone is surrounded and supported by a complex system of muscles that work together to help you move your arm. These bones include your scapula shoulder blade humerus bone between your shoulder and elbow and clavicle collarbone. The shoulder muscle anatomy can also be divided into shoulder muscle groups which includes the rotator cuff.
