Neuroanatomy Draw It To Know It

3. Peripheral Nervous System—Upper Extremity 47

DRAWING 3-9 Radial Nerve — Partial

Ventral rami &

brachial plexus

Upper arm Forearm Hand

Triceps

(C6-C8)

Elbow group

(C5-C8)

Brachioradialis (C5, C6)

Brachialis (partial) (C5-C7)

Extensor carpi radialis

(longus & brevis) (C6, C7)

Anconeus (C6 - C8)

Posterior cord

Axillary

nerve

Triceps

Elbow

group

C5 - C8

Deltoid &

teres minor m.

Upper, middle, Spiral groove Elbow

& lower trunks

Axilla