Sensory DIstribution of Peripheral Nerves

Question 1

L brachial cutaneous n.

Answer 1

deltoid insertion more P, L side of A arm

Question 2

M brachial cutaneous n.

Answer 2

M aspect of A an P arm

Question 3

intercostobrachial n.

Answer 3

M aspect of P arm proximal to elbow

Question 4

L antebrachial cutaneous n.

Answer 4

L aspect of A and P forearm

Question 5

M antebrachial cutaneous n.

Answer 5

M aspect of A and P forearm

Question 6

P antebrachial cutaneous n.

Answer 6

P elbow and middle of P forearm down to dorsum of hand

Question 7

radial n.

Answer 7

P and L aspect of thumb

Question 8

median n.

Answer 8

dorsum of hand, 2nd and 3rd fingers and 1/2 of 4th - same on volar surface of hand

Question 9

ulnar n.

Answer 9

dorsum of hand and 1/2 of 4th finger and 5th finger - same on volar surface of hand

Question 10

iliohypogastric n.

Answer 10

A groin region but more on L aspect

Question 11

ilioinguinal and genitofemoral nn.

Answer 11

M groin region on A surface of thigh

Question 12

L femoral cutaneous n.

Answer 12

L aspect of P thigh and L aspect of A thigh but distal to distribution for iliohypogastric n.

Question 13

obturator n.

Answer 13

M aspect of P mid-thigh region and mid-low thigh on M aspect of A thigh

Question 14

P femoral cutaneous n.

Answer 14

middle of P thigh down to just distal to P knee

Question 15

femoral n.

Answer 15

low-thigh on M aspect of P thigh and middle aspect of A thigh down to just distal to knee

Question 16

common peroneal (fibular) n.

Answer 16

L aspect of lower leg on P down to just distal to L malleolus, and L aspect of A lower leg but proximal to dorsum of foot

Question 17

saphenous n.

Answer 17

M aspect of P lower leg, including M malleolus, and M aspect of A lower leg, including M malleolus and just stretches on to dorsum of foot

Question 18

tibial n.

Answer 18

bottom of foot, M 1/2

Question 19

superficial peroneal (fibular) n.

Answer 19

dorsum of foot

Question 20

cervical plexus (supraclavicular nn.)

Answer 20

A and P neck and shoulder region