Infraspinatus
Origin: Infraspinous fossa of the scapula Insertion: Greater tubercle of the humerus Action: Laterally rotates the shoulder. Stabilises the shoulder by by pulling the humeral head into the glenoid.
Origin: Infraspinous fossa of the scapula Insertion: Greater tubercle of the humerus Action: Laterally rotates the shoulder. Stabilises the shoulder by by pulling the humeral head into the glenoid.
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