Muscles of shoulder arm, posterior view
Illustration of right shoulder and arm muscles from posterior view.
| Term name | Layer | |
|---|---|---|
| 1 | Lateral intermuscular septum of arm | Layer 1 |
| 2 | Medial epicondyle | Layer 1 |
| 3 | Flexor carpi ulnaris | Layer 1 |
| 4 | Lateral epicondyle | Layer 1 |
| 5 | Acromion | Layer 1 |
| 6 | Extensor carpi ulnaris | Layer 1 |
| 7 | Anconeus | Layer 1 |
| 8 | Teres minor | Layer 1 |
| 9 | Teres minor | Layer 1 |
| 10 | Extensor carpi radialis longus | Layer 1 |
| 11 | Brachioradialis | Layer 1 |
| 12 | Trapezius | Layer 1 |
| 13 | Infrspinatus | Layer 1 |
| 14 | Latissimus dorsi | Layer 1 |
| 15 | Long head | Layer 1 |
| 16 | Medial head; deep head | Layer 1 |
| 17 | Lateral head | Layer 1 |
| 18 | Olecranon | Layer 1 |
| 19 | Triceps brachii | Layer 1 |
| 20 | Deltoid | Layer 1 |