Human Anatomy: Muscle Groups

Human Anatomy

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Muscle Function & Other Pertinent Medical Information
ORIGIN: Medial two thirds of subscapular fossa
INSERTION: Lesser tuberosity of humerus, upper medial lip of bicipital groove, capsule of shoulder joint
ACTION: Medially rotates arm and stabilizes shoulder joint
NERVE: Upper and lower subscapular nerves (C6,7) (from posterior cord)

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