wk 11- nerves of the leg / foot

Question 1

what major branches in the foot are from the superficial fibular nerve

Answer 1

medial and intermediate dorsal cutaneous nerves

Question 2

what major branches in the foot are from the sural nerve

Answer 2

lateral dorsal cutaneous nerve

Question 3

what major branches in the foot does the tibial nerve go to

Answer 3

medial and lateral plantar nerves

Question 4

where does each lumbar nerve plexus lie?

Answer 4

within the belly of peas major muscle

Question 5

lumbar branches innervate everywhere but

Answer 5

posterior region of the thigh

Question 6

what nerve gives rise to the rural communicating nerve

Answer 6

common fibular nerve

Question 7

what is the largest branch from sciatic nerve

Answer 7

tibial

Question 8

what branch gives rise to the medial rural cutaneous nerve

Answer 8

tibial nerve

Question 9

which branch gives rise to the lateral rural cutaneous nerve

Answer 9

common fibular nerve

Question 10

the common fibular lies what side of the tibial nerve

Answer 10

lateral

Question 11

explain how common fibular nerve courses

Answer 11

passes deep to long head of biceps femoris
crosses superficially over the lateral head of gastrocnemius
winds around the neck of fibula
terminates deep to the fibulas longus
breaks into deep and superficial fibular nerve

Question 12

the tibial nerve gives rise to

Answer 12

medial/lateral plantar nerve
medial calcaneal nerve
medial sural cutaneous nerve

Question 13

the rural nerve often receives contributions from which 2 nerves

Answer 13

medial sural cutaneous nerve and rural communicating nerve

Question 14

what nerve gives rise to the lateral calcanea nerve

Answer 14

sural nerve

Question 15

know how to draw the nerves of the feet dorsal and plantar

Question 16

medial plantar nerve supplies what muscles

Answer 16

flexor ditigorum brevis, abductor hallucis, flexor hallucis brevis, lumbricals to 2nd digit

Question 17

lateral planter nerve supplies what muscles

Answer 17

flexor digiti minimi, abductor digiti minimi, lumbricals

Question 18

superficial fibular nerve supplies what muscles

Answer 18

dorsal of foot (extensor digitorum brevis and hallucis brevis) and fibularis longus and brevis of leg

Question 19

deep fibular nerve supplies what muscles

Answer 19

anterior compartment of leg and extensor digitorum brevis and hallucis brevis in dorsal of foot (not superficial)

Question 20

superficial fibular nerve supplies what

Answer 20

fibularis longus and brevis only