Neuroanatomy Draw It To Know It

5. Peripheral Nervous System—Sensory Maps 83

Anterior upper limb

Lateral cutaneous n. of forearm

(musculocutaneous)

Medial cutaneous n. of forearm & arm

(medial cord)

Lower lateral

cut. n. of arm

(radial)

Upper lateral

cut. n. of arm

(axillary)

Intercosto-

brachial nerve (T2)

Supra-

clavicular n.

Posterior upper limb

Posterior cutaneous n. of forearm & arm (radial)

Lat. cut. n. of forearm (musculocut.)

Medial cutaneous n. of forearm & arm

(medial cord)

Low. lat. cut.

n. of arm (radial)

Upper lateral

cut. n. of arm

(axillary) Supra-

clavicular n.

Intercosto-

brachial nerve (T2)

DRAWING 5-4 Cutaneous Nerves — Upper Limb