LE Dermatomes

Question 1

L1

Answer 1

back, over trochanter + groin

Question 2

L2

Answer 2

back, front of thigh

Question 3

L3

Answer 3

upper buttock, anterior thigh + knee

Question 4

L4

Answer 4

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

Question 5

L5

Answer 5

lateral aspect of leg, dorsum of foot, medial half of sole, 1st, 2nd, + 3rd toes

Question 6

S1

Answer 6

posterior lower leg, lateral calcaneus, lateral foot

Question 7

S2

Answer 7

buttock, posterior/medial lower leg

Question 8

S3

Answer 8

groin, medial thigh to knee

Question 9

S4

Answer 9

perineum, genitals, lower sacrum