Lower Extremity Innervation

Question 1

Lumbar plexus

Answer 1

Psoas major and minor, quadratus lumborum

Question 2

Sacral plexus

Answer 2

Piriformis, superior gemelli, inferior gemelli, obturator internus, quadratus femoris

Question 3

Inferior gluteal

Answer 3

Gluteus Maximus

Question 4

Superior gluteal

Answer 4

Gluteus minimus, gluteus medius, TFL

Question 5

Femoral

Answer 5

VL, VM, VI, rectus femoris, iliacus, sartorius, pectineus

Question 6

Obturator

Answer 6

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

Question 7

Tibial

Answer 7

Soleus, popliteus, plantaris, tibialis posterior, gastrocnemius, FHL, FDL, abductor/adductor hallucis, quadratus plantae

Question 8

Sciatic- tibial division

Answer 8

Semitendinosus, semimembranosus, biceps femoris (long head)

Question 9

Sciatic- common peroneal division

Answer 9

Biceps femoris (short head)

Question 10

Deep peroneal

Answer 10

Tibialis anterior, EDL, EHL, peroneus tertius, EDB

Question 11

Superficial peroneal

Answer 11

Peroneus longus and brevis

Question 12

Medial plantar

Answer 12

Abductor hallicus, lumbrical I, FDB, FHB

Question 13

Lateral plantar

Answer 13

Abductor digiti minimi, flexor digiti minimi, opponents digiti minimi, dorsal interossei, plantar interossei, quadratus plantae, adductor hallucis, lumbrical II, III, IV