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Showing posts with the label Serratus anterior

Serratus anterior | SHOULDER MOVERS

Serratus anterior(boxer’s muscle) | SHOULDER MOVERS ORIGIN:  by series of muscle slips from ribs 1-9. INSERTION:  the anterior surface of the vertebral border of the scapula. ACTION:  an agonist to protract & hold scapula against the rib cage rotates scapula (inferior angle laterally & upward) abduct & raise arm & horizontal arm movements. NERVE SUPPLY: The long thoracic nerve.