Neuroanatomy Draw It To Know It

3. Peripheral Nervous System—Upper Extremity 39

DRAWING 3-5 Median Nerve — Partial

Ventral rami &

brachial plexus

Upper arm Forearm Hand

Superficial forearm group

(C6, C7)

Pronator teres

Flexor carpi radialis

(C7, C8)

Flexor digitorum sublimis

Palmaris longus

Anterior interosseous group

(C7 - T1)

Pronator quadratus

Flexor pollicis longus

Flexor digitorum

profundus (2,3)

Lateral cord

Medial cord

Anterior

interosseous group

Anterior

interosseous nerve

Superficial

forearm

group

Median palmar

cutaneous nerve

Carpal tunnel

C6 and C7 (mostly sensory)

C8 - T1 (mostly motor)

Ligament of

Struthers

Pronator teres

heads

Upper & middle trunks

Middle & lower trunks