Cutaneous sensory

Question 1

posterior thigh

Answer 1

• posterior cutaneous of thigh (S1-S2)

Question 2

dorsum of foot

Answer 2

• superficial fibular (L5-S1)

Question 3

upper anterior thigh

Answer 3

• genitofemoral (L1-L2)

Question 4

medial thigh

Answer 4

• cutaneous branch of obturator (L2-L3)

Question 5

anterior thigh

Answer 5

• anterior cutaneous branches of femoral (L2-L3)

Question 6

upper anterolateral thigh

Answer 6

• lateral cutaneous branch of subcostal (T12)

Question 7

1st interdigital cleft

Answer 7

• deep fibular (L5)

Question 8

upper posterolateral thigh

Answer 8

• lateral cutaneous branch of iliohypogastric (L1)

Question 9

anterior/medial leg and medial foot

Answer 9

• saphenous n (L3-L4, branch of femoral)

Question 10

posterior leg and lateral foot

Answer 10

• medial sural ( S1-S2, branch of tibial)

Question 11

middle buttock

Answer 11

• middle cluneal n (posterior rami S1-S3)

Question 12

lateral thigh

Answer 12

• lateral cutaneous of thigh (L2-L3)

Question 13

perianal skin

Answer 13

• inferior rectal n (anterior rami of S3-S4) - branch of pudendal n - anococcygeal n (anterior rami of S4-Co1) spinal nerves

Question 14

upper medial thigh

Answer 14

• ilioinguinal (L1)

Question 15

superior buttock

Answer 15

• superior cluneal n (posterior rami L1-L3)

Question 16

inferior buttock

Answer 16

• inferior cluneal n (branches of posterior cutaneous n of thigh, anterior rami S1-S3)

Question 17

lateral leg

Answer 17

• lateral sural (L5-S1, branch of common fibular n)