In this tutorial, we will learn the neuroanatomy of the radial nerve. Key structures: posterior cord of the brachial plexus, axillary nerve, deltoid, posterior cutaneous nerve to the arm, posterior cutaneous nerve to the forearm, lower lateral cutaneous nerve of the arm, triceps, spiral groove, lateral epicondyle group, extensor carpi radialis, brachioradialis, supinator, superficial extensor group, posterior interosseous nerve, extensor digitorum longus, extensor digitorum brevis, deep extensor group, adductor pollicis longus, extensor digitorum longus, extensor pollicis brevis, superficial radial sensory nerve |