The radial n. is formed from spinal roots C5, C6, C7, C8, T1. It innervates the following muscles: Triceps, Brachialis, Brachioradialis, Anconeus, Supinator, Extensor carpi radialis longus, Extensor carpi radialis brevis, Extenfor carpi ulnaris, Extensor digitorum communis, Extensor digiti minimi, Abductor pollicis longus, Extensor pollicis brevis, Extensor pollicis longus, and Extensor indicis.


Intercostobrachial nerve | Radial nerve | Medial cutaneous nerve of forearm and arm |
Lateral cutaneous nerve of the forearm (Musculocutaneous Nerve) | Palmer cutaneous branch of radial nerve |
Median Nerve | Ulnar nerve | Nerve Distribution | Help | Hand Kinesiology

Occupational and Physical Therapy Education, October 1997