Shoulder Muscle - Supraspinatus

Muscle Origin

Supraspinous fossa of the scapula

Muscle Insertion

Superior facet of the greater tubercle of the humerus

Muscle Isolated Function

Concentric Action: Abduction of the arm

Muscle Integrated Function

Eccentric Action: Adduction of the arm Isometric Action: Stabilizes the shoulder girdle

Muscle Innervation

Suprascapular nerve (C5–C6)

Products