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 finger

Question 6

C7

Answer 6

lateral arm & forearm to index, long and 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 and 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 and lumbar region

Question 12

L1

Answer 12

back, over trochanter and groin

Question 13

L2

Answer 13

back, front of thigh to knee

Question 14

L3

Answer 14

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

Question 15

L4

Answer 15

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

Question 16

L5

Answer 16

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

Question 17

S1

Answer 17

buttock, thigh and leg posterior

Question 18

S2

Answer 18

buttock, thigh and leg posterior

Question 19

S3

Answer 19

groin, medial thigh to knee

Question 20

S4

Answer 20

perineum, genitals, lower sacrum