(Netter Basic Science) Frank H. Netter - Atlas of Human Anatomy-Elsevier (2018)

Muscles of Forearm (Deeper Layer): Posterior View
See also Plate 460
Branches of
brachial artery
Superior ulnar collateral
Inferior ulnar collateral
(posterior branch)
Middle collateral branch of
deep brachial artery
Medial intermuscular septum
Lateral intermuscular septum
Ulnar nerve
Brachioradialis muscle
Posterior ulnar recurrent artery
Extensor carpi radialis longus muscle
Medial epicondyle of humerus
Lateral epicondyle of humerus
Triceps brachii tendon (cut)
Common extensor tendon (partially cut)
Olecranon
Extensor carpi radialis brevis muscle
Anconeus muscle
Supinator muscle
Flexor carpi ulnaris muscle
Posterior interosseous nerve
(continuation of deep branch
of radial nerve)
Recurrent interosseous artery
Pronator teres muscle (slip of insertion)
Posterior interosseous artery
Radius
Ulna
Posterior interosseous nerve
Extensor pollicis longus muscle
Abductor pollicis longus muscle
Extensor indicis muscle
Extensor pollicis brevis muscle
Anterior interosseous artery (termination)
Extensor carpi radialis brevis tendon
Extensor carpi radialis longus tendon
Extensor carpi ulnaris tendon (cut)
Extensor digiti minimi tendon (cut)
Extensor digitorum tendons (cut)
6
5
4
3
2
1
Radial artery
1st metacarpal bone
Extensor retinaculum
(dorsal carpal tendinous
sheaths numbered)
5th metacarpal bone
2nd metacarpal bone
1st dorsal
interosseous muscle
Plate 435
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Elbow and Forearm