Supraspinatus
Origin: Supraspinous fossa of the scapula Insertion: Greater tubercle of the humerus Action: Abducts and laterally rotates the shoulder. Stabilises the shoulder by by pulling the humeral head into the glenoid.
Origin: Supraspinous fossa of the scapula Insertion: Greater tubercle of the humerus Action: Abducts and laterally rotates the shoulder. Stabilises the shoulder by by pulling the humeral head into the glenoid.