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Radial Nerve in Forearm<br />
NEUROANATOMY<br />
Radial nerve (C5, 6, 7, 8, T1)<br />
Inconstant contribution<br />
Superficial (terminal) branch<br />
Deep (terminal) branch<br />
Lateral epicondyle<br />
Posterior view<br />
Anconeus muscle<br />
Brachioradialis muscle<br />
Extensor carpi radialis longus muscle<br />
Supinator muscle<br />
Extensor carpi radialis brevis muscle<br />
Extensor carpi ulnaris muscle<br />
Extensor digitorum muscle and<br />
extensor digiti minimi muscle<br />
Extensor indicis muscle<br />
Extensor-supinator<br />
group of muscles<br />
Extensor pollicis longus muscle<br />
Abductor pollicis longus muscle<br />
Extensor pollicis brevis muscle<br />
Posterior interosseous nerve<br />
(continuation of deep branch of<br />
radial nerve distal to supinator muscle)<br />
Superficial branch of radial nerve<br />
From axillary nerve<br />
Superior lateral<br />
cutaneous nerve<br />
of arm<br />
Inferior lateral<br />
cutaneous nerve<br />
of arm<br />
From radial nerve<br />
Posterior cutaneous<br />
nerve of arm<br />
Posterior cutaneous<br />
nerve of forearm<br />
Superficial branch of<br />
radial nerve and dorsal<br />
digital branches<br />
Dorsal digital nerves<br />
Cutaneous innervation from<br />
radial and axillary nerves<br />
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