LE Nerves

Question 1

superior gluteal nerve - nerve roots

Answer 1

L4-S1

Question 2

superior gluteal nerve - motor supply

Answer 2

glut medius and minimis; tensor fascia latae

Question 3

inferior gluteal nerve - nerve roots

Answer 3

L5-S2

Question 4

inferior gluteal nerve - motor supply

Answer 4

glut max

Question 5

Nerve to piriformis - nerve roots

Answer 5

ventral rami of L5-S2

Question 6

Nerve to piriformis - motor supply

Answer 6

piriformis

Question 7

obturator nerve - nerve roots

Answer 7

L2-4

Question 8

obturator nerve - motor supply; anterior division

Answer 8

adductor longus and brevis; gracilis

Question 9

obturator nerve - motor supply; posterior division

Answer 9

obturator externs; adductor magnus

Question 10

obturator nerve - sensory supply

Answer 10

skin of medial thigh

Question 11

nerve to quadrates femoris - nerve roots

Answer 11

L4-S1

Question 12

nerve to quadrates femoris - motor supply

Answer 12

gemellus inferior; quadratus femoris

Question 13

nerve to obturator internus - nerve roots

Answer 13

L5-S2

Question 14

nerve to obturator internus - motor supply

Answer 14

gemellus superior; obturator internus

Question 15

sciatic nerve - nerve root

Answer 15

L4-S3

Question 16

sciatic nerve - motor supply

Answer 16

biceps femoris; semitendinosus; semimembranosus; adductor magnus

Question 17

sciatic nerve - injury

Answer 17

sciatica and piriformis syndrome

Question 19

femoral nerve - nerve roots

Answer 19

L2-4

Question 20

femoral nerve - motor supply

Answer 20

iliac; pectinous; sartorial; rectus femoris; vastus medialis/intermedius/lateralis

Question 21

femoral nerve - sensory supply

Answer 21

• medial cutaneous = medial side of lower 2/3 thigh (ant division)
• intermediate cutaneous = front of thigh (ant division)
• saphenous = medial side of leg (post division)

Question 22

tibial nerve - nerve roots

Answer 22

L4-S3

Question 23

tibial nerve - motor supply

Answer 23

gastrocnemius; soleus; plantaris

popliteus; tibialis posterior; flexor hallucis longus; flexor digitorum longus

Question 24

tibial nerve - lateral plantar motor supply

Answer 24

plantar and dorsal interossei; quadrates plantae; abductor digiti minimi; lumbricals 2-4; adductor hallucis

Question 25

tibial nerve - medial plantar motor supply

Answer 25

abductor hallucis; flexor hallucis brevis; flexor digitorum brevis; lumbricals 1

Question 26

tibial nerve - sensory supply

Answer 26

- sural nerve = lower posterolateral leg - medial calcaneal = heel - medial plantar = medial side of sole - lateral plantar = lateral side of sole

Question 27

common peroneal - nerve roots

Answer 27

L4-S2

Question 28

common peroneal - bifurcates where and into what

Answer 28

below beck of the fibula superficial and deep perineal nerve

Question 29

deep peroneal nerve - motor supply

Answer 29

tibialis anterior; extensor hallucis longus; extensor digitorum longus; extensor digitorum brevis; peroneus tertius

Question 30

deep peroneal nerve - injury

Answer 30

foot drop and unopposed eversion during gait

Question 31

superficial peroneal nerve - motor supply

Answer 31

peroneus longus and brevis

Question 32

deep peroneal nerve - sensory supply

Answer 32

webbing between 1 + 2 toes on dorsal surface

Question 33

superficial peroneal nerve - sensory supply

Answer 33

dorm of foot and anterolateral part of lower leg