Brachial Plexus Nerves & Peripheral Nerves

Question 1

Axillary Nerve

Answer 1

(C5, C6)

*lateral skin of shoulder

Question 2

Medial Nerve

Answer 2

(C5, C6, C7, C8, T1)

*lateral palm of first three digits to radial side of fourth, fingertips of digits 2-3 and radial side of digit 4, (medial brachial cutaneous nerve) medial brachium, (medial antebrachial cutaneous nerve) medial forearm

Question 3

Radial Nerve

Answer 3

(C5, C6, C7, C8, T1)

*posterior forearm, (splits into superficial branch) dorsal of hand from radial side of thumb to radial side of fourth digit

Question 4

Ulnar Nerve

Answer 4

(C7, C8, T1)

*ulnar side of digit 4 and digit 5 on both palmar and dorsal surface

Question 5

Musculocutaneous Nerve

Answer 5

(C5, C6, C7)

*(continues as lateral antebrachial cutaneous nerve) lateral forearm