Lumbosacral Plexus

Question 1

Lumbar plexus nerves

Answer 1

femoral nerve

obturator nerve

Question 2

ventral rami of the femoral nerve

Answer 2

L2, L3, upper division of L4.

Question 3

the femoral nerve emerges lateral to the _____

Answer 3

psoas major muscle

Question 4

femoral nerve supplies

Answer 4

anterior thigh muscles

Question 5

femoral nerve gives off ____ which supplies the medial leg and foot

Answer 5

saphenous nervce

Question 6

the femoral nerve gives off saphenous nerve that supplies ____ and ___.

Answer 6

medial leg and foot

Question 7

ventral rami or obturator nerve

Answer 7

L2, L3, and l4 upper

Question 8

the obturator nerve primarily supplies the ____

Answer 8

medial thigh

Question 9

ventral rami of the sciatic nerve

Answer 9

L4 lower, l5-s3

Question 10

sciatic nerve is the ___ nerve in the body

Answer 10

largest

Question 11

two branches of the sciatic nerve

Answer 11

tibial and common fibular

Question 12

the tibial nerve supplies all of the ____ muscles

Answer 12

posterior leg

Question 13

deep fibular supples ____ musclse

Answer 13

anterior leg

Question 14

superficial fibular nerve supplies ___ muscles

Answer 14

lateral leg

Question 15

ventral rami of superior gluteal nerve

Answer 15

l4 lower, l5, s1

Question 16

the superior gluteal nerve innervates

Answer 16

gluteus medius, gluteus minimus, and TFL

Question 17

ventral rami of inferior gluteal nerve

Answer 17

l5-s2

Question 18

inferior gluteal nerve innervates

Answer 18

gluteus maximus

Question 19

ventral rami of nerve to quadrature femoris and inferior gemellus

Answer 19

l4 lower, l5, s1

Question 20

ventral rami of nerve to obturator internus and superior gemellus

Answer 20

l5, s1, s2

Question 21

ventral rami of nerve to piriformis

Answer 21

s2

Question 22

ventral rami of posterior femoral cutaneous nerve

Answer 22

s1-s3

Question 23

PFC supplies

Answer 23

skin of posterior thigh

Question 24

ventral rami. of pudendal nerve

Answer 24

s2-s4

Question 25

pudendal nerve supples

Answer 25

genitalia, lower rectum

Question 26

lumbar plexus is found on the ___ wall, derives from ventral rami ______

Answer 26

posterior abdominal; l1-l4 upper

Question 27

generally speaking, lumbar plexus supplies

Answer 27

lateral, anterior and medial thigh

Question 28

sacral plexus found on ___ wall, derived from ventral rami

Answer 28

lateral pelvis; derived from ventral rami l4 lower to s4

Question 29

sacral plexus generally speaking supplies

Answer 29

gluteal region, posterior thigh, the leg and foot