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| - DELTOID
Abducts arm, anterior fibers flex and medial rotate, posterior fibers extend and lateral rotate
- | | ORIGIN: |
Lateral third of clavicle, acromion, spine of scapula to deltoid tubercle | | INSERTION: | Middle of lateral surface of humerus (deltoid tuberosity)
| | ACTION: |
Abducts arm, anterior fibers flex and medial rotate, posterior fibers extend and lateral rotate
| | NERVE: |
Axillary nerve (C5, 6) (from posterior cord) |
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