Dermatomes

Question 1

vertex of skull

Answer 1

C1

Question 2

Temple, forehead, occiput

Answer 2

C2

Question 3

Entire neck, posterior cheek, temporal rea, prolongation forward under mandible

Answer 3

C3

Question 4

shoulder area, clavicular area, upper scapular area

Answer 4

C4

Question 5

deltoid area, anterior aspect of entire arm to base of thumb

Answer 5

C5

Question 6

anterior arm, radial side of hand to thumb and index finger

Answer 6

C6

Question 7

lateral arm and forearm to
index, long, and ring fingers

Answer 7

C7

Question 8

Medial arm and forearm to
long, ring, and little fingers

Answer 8

C8

Question 9

Medial side of forearm to base
of little finger

Answer 9

T1

Question 10

Medial side of upper arm to
medial elbow, pectoral and
midscapular areas

Answer 10

T2

Question 11

upper thorax

Answer 11

T3-T6

Question 12

costal margin

Answer 12

T5-T7

Question 13

abdomen and lumbar region

Answer 13

T8-T12

Question 14

back, over trochanter and groin

Answer 14

L1

Question 15

Back, front of thigh to knee

Answer 15

L2

Question 16

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

Answer 16

L3

Question 17

Medial buttock, lateral thigh, medial leg,
dorsum of foot, big toe

Answer 17

L4

Question 18

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

Answer 18

L5

Question 19

Buttock, thigh, and leg posterior

Answer 19

S1

Question 20

Same as S1 (Buttock, thigh, and leg posterior)

Answer 20

S2

Question 21

groin, medial thigh to knee

Answer 21

S3

Question 22

Perineum, genitals, lower sacrum

Answer 22

S4