"origin: one of two terminal branches of the posterior cord of the brachial plexus"
"course: posteromedially with the axillary vessels, behind the humerus, then anteriorly towards the elbow where it divides into superficial and deep branches"
"terminal branches: posterior interosseous (deep) and superficial radial nerves"
"motor: elbow, wrist and finger extension"
"sensory: dorsal aspect of the thumb, index and middle fingers"
Expected headings
"Branches and supply"
"motor: elbow, wrist and finger extension"
"sensory: dorsal aspect of the thumb, index and middle fingers"
"continues as the posterior interosseous nerve to supply the deep extensors of the dorsal arm (extensor digitorum, extensor digiti minimi, extensor carpi ulnaris, extensor indicis, extensor pollicis longus, extensor pollicis brevis, abductor pollicis longus)"