Lower Extremity Innervation

Question 1

Lumbar Plexus

Answer 1

Psoas Major
Psoas Minor
Quadratus Lumborum

Question 2

Sacral Plexus

Answer 2

Piriformis
Inferior/Superior gemelli
Obturator internus
Quadratus femoris

Question 3

Sciatic (Tibial Division)

Answer 3

Semitendinosus
Semimebranosus
Biceps Femoris (long head

Question 4

Sciatic (Common Peroneal)

Answer 4

Biceps femoris (short head)

Question 5

Inferior Gluteal Nerve

Answer 5

Gluteus Maximus

Question 6

Deep Peroneal Nerve

Answer 6

Tibialis anterior
Extensor digitorum longus
Extensor hallucis longus
Peroneus tertius
Extensor digitorum brevis

Question 7

Superior Gluteal Nerve

Answer 7

Gluteus medius
Gluteus minimus
Tensor Fascia Latae

Question 8

Superficial Peroneal Nerve

Answer 8

Peroneus longus

Peroneus brevis

Question 9

Femoral Nerve

Answer 9

Vastus lateralis/medialis/intermedius
Rectus femoris
Iliacus
Sartorius
Pectineus

Question 10

Medial Plantar Nerve

Answer 10

ABductor hallucis
Lumbrical 1
Flexor digitorum brevis
flexor hallucis brevis

Question 11

Obturator Nerve

Answer 11

ADDuctor longus/brevis/magnus
Obturator externus
Gracilis

Question 12

Lateral Plantar Nerve

Answer 12

ABductor digiti minimi
Flexor digiti minimi
Opponens digiti minimi
Dorsal interossei
Quadratus plantae
ADDuctor hallucis
Lumbricals 2, 3, 4
Plantar interossei

Question 13

Tibial Nerve

Answer 13

Soleus
Popliteus
Plantaris
Tib Posterior
Gastrocnemius
Flexor hallucis longus
Flexor digitorum longus