1C5 Motor
Shoulder Abduction - axillary
Elbow flextion - musculocutaneous
2C5 Sensory
proximal lateral brachium - axillary
3C5 Reflex
Biceps - musculocutaneous
4C6 Motor
Wrist extension - radial
elbow flexion - musculocutaneous
5C6 Sensory
lateral forearm - musculocutaneous
6C6 Reflex
Biceps - Musculocutaneous
Brachioradialis - radial
ECRL, ECRB - radial
7C7 Motor
wrist flexion - median nerve
8C7 sensory
ventral - middle finger median nerve
Dorsal - first web space, radial
9C7 reflex
triceps - radial nerve
10C8 Motor
thumb pinch - median
finger flexion - ulnar or median
11C8 sensory
ventral - medial forearm, medial antebrachial cutaneous
fifth digit - ulnar
12C8 reflex
FDP - ulnar and anterior interosseous
13T1 Motor
abduction or adductin of the four lesser digits - ulnar nerve
14T1 Sensory
medial brachium - medial brachial cutaneous