Innervations of the Foot

Question 1

sciatic nerve divides into?

Answer 1

common fibular nerve

tibial nerve

Question 2

common fibular nerve divides into?

Answer 2

deep fibular n.

superficial fibular n.

Question 3

sural nerve is formed by?

Answer 3

communicating ramus from lateral sural cutaneous nerve + medial sural cutaneous nerve (which is a branch of the tibial n.)

Question 4

deep fibular n. is a branch of?

Answer 4

common fibular n

Question 5

deep fibular n. innervates what compartment?

Answer 5

anterior leg

Question 6

deep fibular n. courses

Answer 6

deep to the deep fascia with the anterior tibial vessels

Question 7

on the dorsum of the foot, the deep fibular divides into

Answer 7

medial and lateral terminal branch

Question 8

medial terminal branch follows the course of

Answer 8

the dorsal pedis a.

Question 9

medial terminal branch becomes superficial

Answer 9

as it pierces the deep fascia at the proximal aspect of the 1st interspace

Question 10

medial terminal branch divides into

Answer 10

2 dorsal proper digital n. for the adjacent sides of the hallux and 2nd toe

Question 11

lateral terminal branch follows the course of

Answer 11

the lateral tarsal a

Question 12

lateral terminal branch innervates what muscles

Answer 12

EHB

EDB

Question 13

superficial fibular n is a branch of

Answer 13

common fibular n

Question 14

superficial fibular n. innervates what compartment

Answer 14

lateral leg compartment

Question 15

superficial fibular n. pierces the deep fascia in the —of the leg

Answer 15

lower 1/3

Question 16

superficial fibular n. innervates —after it pierces the deep fascia

Answer 16

skin on the lower anterolateral aspect of the leg

Question 17

—to the malleoli the superficial fibular n. divides into —- and —-

Answer 17

Proximal
medial dorsal cutaneous n.
intermediate dorsal cutaneous n

Question 18

medial dorsal cutaneous n. is a branch of

Answer 18

superficial fibular n. in the lower leg

Question 19

on the dorsum of the foot, the medial dorsal cutaneous n. divides into

Answer 19

dorsal proper digital br.

dorsal common digital br.

Question 20

the dorsal proper digital br of the medial dorsal cutaneous n. innervates

Answer 20

the skin on the dorsomedial aspect of the hallux

Question 21

the dorsal proper digital branch of the medial dorsal cutaneous n. communicates with

Answer 21

the medial terminal branch of the deep fibular n. and the saphenous n

Question 22

the dorsal common digital branch of the medial dorsal cutaneous n. divides into

Answer 22

2 dorsal proper digital branches for the skin on the adjacent sides of the 2nd and 3rd toes

Question 23

medial dorsal cutaneous nerve innervates

Answer 23

the skin on the dorsomedial side of the foot

Question 24

intermediate dorsal cutaneous nerve also called?

Answer 24

Lemont’s nerve

Question 25

intermediate dorsal cutaneous nerve branches from

Answer 25

the superficial fibular nerve in the lower leg region

Question 26

intermediate dorsal cutaneous nerve divides into --- and --- on the dorsum of the foot

Answer 26

medial dorsal common digital branch | lateral dorsal common digital branch

Question 27

medial dorsal common digital branch of the intermediate dorsal cutaneous nerve divides into

Answer 27

2 dorsal proper digital branches for the sin on the adjacent sides of the 3rd and 4th toes

Question 28

lateral dorsal common digital branch of the intermediate dorsal cutaneous nerve divides into

Answer 28

2 dorsal proper digital branches for the skin on the adjacent sides of the 4th and 5th toes

Question 29

lateral dorsal common digital br. of the intermediate dorsal cutaneous n. communicates with

Answer 29

the lateral dorsal cutaneous nerve

Question 30

the intermediate dorsal cutaneous n. innervates

Answer 30

the skin on the dorsointermediate side of the foot

Question 31

the intermediate dorsal cutaneous nerve may also branch from

Answer 31

sural n. OR lateral dorsal cutaneous n

Question 32

lateral dorsal cutaneous nerve is a continuation of

Answer 32

sural nerve as it course below the lateral malleolus

Question 33

the lateral dorsal cutaneous nerve course along

Answer 33

the dorsoateral side of the foot innervating the skin in this region

Question 34

the lateral dorsal cutaneous nerve terminates as

Answer 34

a dorsal proper digital nerve to the dorsolateral side of the 5th toe

Question 35

the lateral dorsal cutaneous nerve communicates with

Answer 35

the lateral dorsal common digital branch of the intermediate dorsal cutaneous n

Question 36

saphenous nerve is a branch of

Answer 36

the femoral nerve in the thigh

Question 37

saphenous nerve courses with

Answer 37

the great saphenous vein in the leg

Question 38

saphenous nerve terminates on

Answer 38

the dorsum of the foot

Question 39

on the dorsum of the foot the saphenous n. innervates

Answer 39

the skin on the medial side of the foot up to the 1st MTP

Question 40

saphenous n. is the only nerve of the foot that is not a branch of

Answer 40

the sciatic nerve

Question 41

medial plantar n. is a branch of

Answer 41

tibial n

Question 42

medial plantar n courses

Answer 42

distally with the medial plantar vessels b/w abductor hallucis and flexor hallucis brevis

Question 43

as the medial plantar n. courses distally it gives off

Answer 43

cutaneous, muscuarl and articular branches

Question 44

medial plantar n terminates by

Answer 44

dividing into a plantar proper digital and 3 plantar common digital branches

Question 45

cutaneous branches of the medial plantar n innervate

Answer 45

the skin on the medioplantar aspect of the foot

Question 46

muscular branches of the medial plantar nerve innervate --- before medial plantar nerve divides

Answer 46

- abductor halluics | - FHB

Question 47

articular branches of the medial plantar nerve innervate

Answer 47

joints on the medial portion of the tarsus

Question 48

plantar proper digital br of the medial plantar n innervates

Answer 48

- FHB | - skin on the medioplantar aspect of the hallux

Question 49

1st planatar common digital branch of the medial plantar nerve innervates

Answer 49

1st lumbrical muscle, then divides into 2 plantar proper digital branches for the skin on the adjacent sides of the hallux and 2nd toes

Question 50

2nd plantar common digital br of the medial plantar nerve divides into

Answer 50

2 plantar proper digital branches for the skin on the adjacent sides o the 2nd and 3rd toes

Question 51

3rd plantar common digital br of the medial plantar nerve divides into

Answer 51

2 plantar proper digital branches fot ehs kin on the adjacent sides of the 3rd and 4th toes

Question 52

3rd plantar common digital br of the medial plantar nerve communicates with

Answer 52

plantar common digital br of the superficial division of the lateral plantar n

Question 53

3rd plantar common digital br is the common site of

Answer 53

a Morton's neuroma

Question 54

lateral plantar n. is a branch of

Answer 54

tibial n

Question 55

lateral plantar n. courses

Answer 55

distally giving off cutaneous, muscular and articular branches

Question 56

lateral plantar n. terminates by

Answer 56

dividing into a superficial and deep branch

Question 57

cutaneous branch of the lateral plantar n. innervates

Answer 57

skin on the lateroplantar aspect of the foot

Question 58

muscular branches of the lateral plantar n innervate

Answer 58

aductor digiti minimi quadratus plantae before the lateral plantar nerve divides into a superficial and deep branch

Question 59

articular branch of the lateral plantar n. innervate

Answer 59

joints on the lateral portion of the tarsus

Question 60

entrapment of the 1st branch of the lateral plantar n. to the abductor digiti minimi is called

Answer 60

Baxter's Nerve

Question 61

Baxter's nerve causes ---pain

Answer 61

heel pain due to its sensory innervations of the periosteum of the calcaneus in this area

Question 62

superficial branch of the lateral plantar n divides into

Answer 62

plantar proper digital br | plantar common digital br

Question 63

plantar proper digital br of the superficial br innervates

Answer 63

FDMB 4th dorsal interosseous 3rd plantar interosseous skin on the lateroplantar aspect of the 5th toe

Question 64

plantar common digital br of the lateral plantar n. divides into

Answer 64

2 plantar proper digital branches for the skin on the adjacent sides of the 4th and 5th toes

Question 65

plantar common digital br of the lateral plantar n. communicates with

Answer 65

3rd plantar common digital br of the medial plantar n

Question 66

deep branch of the lateral plantar n courses with

Answer 66

the plantar arch portion of the lateral plantar a

Question 67

deep branch of the lateral plantar n innervates

Answer 67

adductor hallucis 2nd, 3rd, 4th lumbricals 1st, 2nd, 3rd dorsal interosseous 1st, 2nd plantar interosseous

Question 68

medial calcaneal n is a branch of

Answer 68

tibial n

Question 69

medial calcaneal n. innervates

Answer 69

skin on the plantar and medial aspect of the heel

Question 70

entrapment of the medial calcaneal n. is a common cause of

Answer 70

heel pain

Question 71

lateral calcaneal n. is a branch of

Answer 71

sural n

Question 72

lateral calcaneal n. innervates

Answer 72

skin on the posterior and lateral aspect of the heel

Question 73

dorsal proper digital nerves terminate

Answer 73

around the base and sides of the nails

Question 74

plantar proper digital nerves terminate

Answer 74

in the area of the ungual tuberosity by sending branches to the distal end of the digit

Question 75

to form a digital black, what nerves are anesthetized

Answer 75

all 4 digital nerves