dermatomes

Question 1

C2

Answer 1

temple, forehead, occiput
(from one ear, posterior to the other ear)

Question 2

C3

Answer 2

entire neck

(start at clavicle, go posterior around neck to other clavicle)

Question 3

C4

Answer 3

shoulder, clavicle, upper scapular area

(from medial clavicle, laterally to AC joint)

Question 4

C5

Answer 4

deltoid, anterior aspect of arm to base of thumb

(deltoid to wrist)

Question 5

C6

Answer 5

anterior arm, radial side of hand to thumb & index finer

Question 6

C7

Answer 6

lateral arm & forearm to index, long & ring finger

Question 7

T1

Answer 7

medial side of forearm to base of little finger

Question 8

T2

Answer 8

medial side of upper arm to medial elbow, pectoral & midscapular areas

Question 9

T3-T6

Answer 9

upper thorax

Question 10

T5-T7

Answer 10

costal margin

Question 11

T8-T12

Answer 11

abdomen & lumbar region

Question 12

L1

Answer 12

back, over trochanter & groin

Question 13

L2

Answer 13

back, front of thigh to knee

Question 14

L3

Answer 14

back, upper buttock, anterior thigh & knee, medial lower leg

Question 15

L4

Answer 15

medial buttock, lateral thigh & knee, medial leg, dorsum of foot, big toe

Question 16

L5

Answer 16

buttock, posterior & lateral thigh, lateral aspect of leg, dorsum of foot, medial half of sole, first, second & third toes

Question 17

S1

Answer 17

buttock, thigh & leg posterior

Question 18

S2

Answer 18

buttock, thigh & leg posterior

Question 19

S3

Answer 19

groin, medial thigh to knee

Question 20

S4

Answer 20

perineum, genitals, lower sacrum