Lower Extremity Innervation

Question 1

Lumbar plexus Muscles

Answer 1

Psoas major and minor, quadratus lumborum

Question 2

Sacral plexus

Answer 2

piriformis, superior and inferior gemelli, obturator internus, quadratus femoris

Question 3

Inferior gluteal N

Answer 3

glute max

Question 4

Superior Gluteal N

Answer 4

glute medius and minimus, TFL

Question 5

Femoral N muscles

Answer 5

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

Question 6

Obturator N

Answer 6

ADD longus and brevis and magnus, obturator externus, gracilis

Question 7

Tibial N

Answer 7

soleus, popliteus, plantaris, tib post, gastroc, FHL, FL digitorum longus

Question 8

Sciatic N- Tibial Division

Answer 8

Semitendinosus, semimembranosus, biceps femoris long head

Question 9

Sciatic N- common peroneal division

Answer 9

biceps femoris short head

Question 10

Deep peroneal N

Answer 10

tib ant, Ext digitorum longus, Ext hallucis longus, Peroneus tertius, Ext digitorum brevis

Question 11

Superficial peroneal N

Answer 11

peroneus longus and brevis

Question 12

medial plantar N

Answer 12

ABD hallucis, lumbrical I, FL digitorum brevis, FL hallucis brevis

Question 13

lateral Plantar N

Answer 13

ABD digiti minimi, FL digiti minimi, opponens digiti minimi, dorsal interossei, quadratus plantae, ADD hallucis, Lumbrical II-IV, plantar interossei