LE nerve innervations

Question 1

Psoas

Answer 1

L1, L2

Question 2

Iliacus

Answer 2

L2, L3

Question 3

Quadratus Lumborum

Answer 3

L1, L2, L3, L4

Question 4

Lateral Femoral Cutaneous

Answer 4

skin on lateral aspect of thigh

Question 5

Saphenous

Answer 5

branches off of femoral, skin overlying medial aspect of leg

Question 6

Femoral

Answer 6

Anterior compartment (iliacus, rectus femoris, sartorius, vastus intermedius, vastus lateralis, vastus medialis) and pectineus except tensor fascia lata

Question 7

Obturator

Answer 7

Medial Compartment except pectineus (adductor brevis, adductor longus, adductor magnus, gracilis, obturator externus)

Question 8

Superior gluteal

Answer 8

gluteus minimis, gluteus medius, tensor fascia lata

Question 9

inferior gluteal

Answer 9

gluteus maximus

Question 10

Nerve to piriformis

Answer 10

piriformis, from sacral plexus

Question 11

Nerve to quadratus femoris

Answer 11

from sacral plexus, quadratus femoris and inferior gemellus

Question 12

Nerve to obturator internus

Answer 12

from sacral plexus, obturator internus and superior gemellus

Question 13

Sciatic Nerve

Answer 13

tibial division does semimembranosus, semitendinosus, and long head of biceps femoris.
common fibular division does short head of biceps femoris

Question 14

tibial

Answer 14

posterior compartment of lower leg

Question 15

Medial plantar

Answer 15

abductor hallucis, flexor digitorum brevis, flexor hallucis brevis, medial lumbrical

Question 16

lateral plantar

Answer 16

lateral plantar muscles of foot

Question 17

superficial peroneal

Answer 17

peroneus longus, peroneus brevis

Question 18

deep peroneal

Answer 18

anterior compartment of lower leg and extensor digitorum brevis and extensor hallucis brevis in foot

Question 19

sural

Answer 19

branch off of tibial, sking on lateral aspect of foot and leg

Question 20

lateral sural

Answer 20

branch off of common peroneal division of sciatic nerve, skin on lateral aspect of leg