Lower extremity

Question 1

quads, iliopsoas

Answer 1

L2, L3, L4; femoral n

Question 2

adductors, gracilis

Answer 2

L2, L3, L4; obturator n

Question 3

tibialis anterior, extensor digitorum longus

Answer 3

L4, L5; sciatic n; deep fibular n

Question 4

EHL, EDB

Answer 4

L4, L5, S1; sciatic n; deep fibular n

Question 5

semimembranosus, semitendinosus, long head of biceps femoris

Answer 5

L4, L5, S1; sciatic n (tibial division)

Question 6

short head of biceps femoris

Answer 6

L5, S1; sciatic n (fibular division)

Question 7

gluteus medius, gluteus minimus, TFL

Answer 7

L4, L5, S1; superior gluteal n

Question 8

fibularis longus, fibularis brevis

Answer 8

L5, S1; sciatic n; superficial fibular n

Question 9

tibialis posterior, flexor digitorum longus

Answer 9

L5, S1; sciatic n; tibial n

Question 10

gluteus maximus

Answer 10

L5, S1, S2; inferior gluteal n

Question 11

gastrocnemius, soleus

Answer 11

S1, S2; sciatic n; tibial n

Question 12

flexor hallucis brevis, abductor hallucis brevis

Answer 12

S1, S2; sciatic n; tibial n; medial plantar n

Question 13

abductor digiti quinti pedis

Answer 13

S1, S2; sciatic n; tibial n; lateral plantar n

Question 14

cutaneous innervation to lateral thigh

Answer 14

L2, L3; lateral femoral cutaneous n

Question 15

cutaneous innervation to medial shin and medial calf

Answer 15

L2, L3, L4; femoral n; saphenous n

Question 16

cutaneous innervation to medial plantar surface of foot

Answer 16

L4, L5; sciatic n; tibial n; medial plantar n

Question 17

cutaneous innervation to lateral plantar surface of foot

Answer 17

S1, S2; sciatic n; tibial n; lateral plantar n