Human Anatomy: Muscle Groups

Human Anatomy

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Muscle Function & Other Pertinent Medical Information
ORIGIN: Middle third lateral border of scapula above teres major
INSERTION: Inferior facet of greater tuberosity of humerus (below infraspinatus) and capsule of shoulder joint
ACTION: laterally rotates arm and stabilizes shoulder joint
NERVE: Axillary nerve (C5, 6) (from posterior cord)

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