Lower Extremity Innervation

Question 1

Lumbar Plexus

Answer 1

Psoas Major, Psoas Minor, Quadratus lumborum

Question 2

Sacral Plexus

Answer 2

Piriformis, Superior Gemelli, Inferior Gemelli, Obturator Internus, Quadratus Femoris

Question 3

Inferior Gluteal Never

Answer 3

Gluteus Maximus

Question 4

Superior Gluteal Nerve

Answer 4

Gluteus medius, gluteus minimus, tensor fasciae latae

Question 5

Femoral Nerve

Answer 5

Vastus lateralis, rectus femoris, vastus medialis, vastus intermedius, iliacus, sartorius, pectineus

Question 6

Obturator Nerve

Answer 6

Adductor longus, adductor brevis, adductor magnus, obturator externus, gracilis

Question 7

Tibial Nerve

Answer 7

soleus, popliteus, plantaris, tibialis posterior, gastrocnemius, flexor hallucis longus, flexor digitorum longus

Question 8

Sciatic nerve - tibial division

Answer 8

Semitendinosus, semimembranosus, biceps femoris (long head)

Question 9

Sciatic nerve - common peroneal division

Answer 9

biceps femoris (short head)

Question 10

Deep peroneal nerve

Answer 10

tibialis anterior, extensor digitorum longus, extensor halliucis longus, peroneus tertius, extensor digitorum brevis

Question 11

Superficial peroneal nerve

Answer 11

peroneus longus, peroneus brevis

Question 12

Medial Plantar Nerve

Answer 12

abductor hallucis, lumbrical I, flexor digitorum brevis, flexor hallucis brevis

Question 13

Lateral Plantar Nerve

Answer 13

abductor digiti minimi, flexor digiti minimi, opponens digiti minimi, dorsal interossei, quadratus plantae, adductor hallucis, lumbrical II, III, IV, plantar interossei