6) Dorsum of the Foot

Question 1

Origin of Extensor Digitorum Brevis

Answer 1

Sinus Trasi
Superolateral calcaneus
Interosseus talocalcanea ligament
Cruciate crural ligament

Question 2

Insertion of Extensor Digitorum Brevis

Answer 2

Lateral aspect of EDL tendons (2-4)

Question 3

Innervation to Extensor Digitorum Brevis

Answer 3

Lateral terminal branch of deep fibular

Question 4

Blood supply to Extensor Digitorum Brevis

Answer 4

Lateral tarsal artery

Question 5

Function of Extensor Digitorum brevis

Answer 5

Dorsiflexion of toes 2-4

Question 6

Origin of Extensor Hallucis Brevis

Answer 6

Sinus Trasi
Superolateral calcaneus
Interosseus talocalcanea ligament
Cruciate crural ligame

Question 7

Insertion of Extensor Hallucis Brevis

Answer 7

Dorsal aspect of proximal phalnx of hallux

Question 8

Innervation to Extensor Hallucis Brevis

Answer 8

Lateral terminal branch of deep fibular

Question 9

Blood supply to Extensor Hallucis Brevis

Answer 9

Lateral tarsal artery

Question 10

Function of Extensor Hallucis Brevis

Answer 10

Dorsiflexion of Hallux

Question 11

Dorsalis pedis is a continuation of what artery?

Answer 11

Anterior tibial artery

Question 12

Dorsalis pedis can arise from what artery?

Answer 12

Perforating fibular artery

Question 13

Dorsalis pedis is located between

Answer 13

Tendons of EHL and EDL

lateral to EHL

Question 14

Dorsalis pedis is located deep tp

Answer 14

Muscles/tendons

Cruciate crural ligament (inf to ext retinaculum)

Question 15

Branches of Dorsalis pedis

Answer 15

Lateral tarsal
Medial tarsal
Arcuate
1st dorsal metatarsal
Deep plantar
Artery of sinus tarsi

Question 16

Lateral tarsal artery is deep to/supplies

Answer 16

EDB and EHB

bones/joints/ligaments it passes by

Question 17

Lateral tarsal artery anastomoses with

Answer 17

Lateral malleolar plexus
Perforating fibular
Arcuate
Lateral plantar

Question 18

Medial tarsal artery supplies/anastomoses with

Answer 18

Bones/joints/ligs it passes by
Medial malleolar network
Medial plantar artery

Question 19

Arcuate artery path

Answer 19

Passes laterally across met bases

Question 20

Arcuate artery gives off how many branches?

Answer 20

2 to 4 metatarsal arteries

Question 21

What artery takes over if Arcuate artery is absent?

Answer 21

Lateral tarsal artery can take over the area

Question 22

What are the two terminal branches of Dorsalis pedis?

Answer 22

1st dorsal metatarsal

Deep plantar

Question 23

1st dorsal metatarsal

Answer 23

Terminal branch

Question 24

Deep plantar artery path

Answer 24

Passes through proximal end of intermetatarsal space

Question 25

Deep plantar artery anastomoses with

Answer 25

Lateral plantar artery | on plantar side of foot

Question 26

Artery of the sinus tarsi arises as a product of

Answer 26

Anastomotic connection with lateral tarsal and perforating fibular artery

Question 27

Dorsal metatarsal arteries branches are on paper cause it's too hard for here

Answer 27

fuuuuuuuuuuuuc

Question 28

How many Dorsal metatarsal arteries are there?

Answer 28

``` 1st dorsal metatarsal 2nd 3rd 4th Proper dorsal digital artery of 5th digit ```

Question 29

Dorsal metatarsal arteries are found in

Answer 29

the intermetatarsal space on top of dorsal interossei

Question 30

Common fibular nerve root level

Answer 30

L4-S2

Question 31

Common fibular nerve path

Answer 31

From sciatic Around fibular neck Enters lateral compartment through POSTERIOR IM septa

Question 32

Common fibular nerve bifurcates into what two terminal branches?

Answer 32

Deep fibular nerve | Superficial fibular nerve

Question 33

Lateral terminal branch of deep fibular nerve provides innervation to?

Answer 33

EHB EDB Joints of lateral foot

Question 34

Medial terminal branch of deep fibular nerve communicates with?

Answer 34

Superficial fibular nerve | communicating branch of superficial fibular nerve

Question 35

Medial Terminal branch of deep fibular nerve follows what two arteries?

Answer 35

Dorsalis pedis | 1st dorsal metatarsal artery

Question 36

Medial terminal branch of deep fibular nerve provides innervation to?

Answer 36

1st dorsal interossei muscle | Joints of medial foot

Question 37

What are the two branches off medial terminal branch of deep fibular nerve?

Answer 37

Proper dorsal digital nerve 2 | Proper dorsal digital nerve 3

Question 38

Proper dorsal digital nerve 2 provides

Answer 38

Cutaneous innervation to dorsolateral Hallux

Question 39

Proper dorsal digital nerve 3 provides

Answer 39

Cutaneous innervation to dorsomedial 2nd toe

Question 40

Two pathologies associated with injury Deep fibular nerve?

Answer 40

``` Footdrop Weak toe extension Weak ankle dorsiflexion Steppage gait Altered sensation to 1st web space ```

Question 41

Footdrop is characterized by

Answer 41

Increased tripping with gait

Question 42

Steppage gait is characterized by

Answer 42

Raising leg to compensate for dragging foot????

Question 43

Superficial fibular nerve root level

Answer 43

L4-S1

Question 44

Superficial fibular nerve path

Answer 44

Arises from common fibular in the lateral compartment | Descends between fibularis muscles

Question 45

Superficial fibular nerve pierces

Answer 45

Anterolateral crural facia in distal 1/3 of leg

Question 46

Superficial fibular nerve provides innervation to what AFTER piercing through crural fascia?

Answer 46

Cutaneous innervation to distal anterolateral leg. dorsum of the foot

Question 47

What are the two branches of superficial fibular nerve?

Answer 47

Medial dorsal cutaneous | Intermediate dorsal cutaneous

Question 48

Media dorsal cutaneous nerve supplies

Answer 48

Cutaneous to medial hallux and adjacent 2nd/3rd digit

Question 49

Medial dorsal cutaneous branches into

Answer 49

3 digital branches

Question 50

Intermediate dorsal cutaneous supplies

Answer 50

Cutaneous to adjacent 3rd /4th and 4th/5th digits | Lateral ankle

Question 51

Intermediate dorsal cutaneous branches into

Answer 51

4 digital branches

Question 52

True/False: The lateral side of the 5th digit is innervated by Intermediate dorsal cutaneous

Answer 52

F A L S E

Question 53

Injury to superficial fibular nerve results in

Answer 53

Loss of eversion | Altered sensation on dorsum of foot

Question 54

Dorsal digital nerve branches are on paper cause it's too hard for here

Answer 54

also fuuuuuuuuuuuuuuc

Question 55

Medial dorsal cutaneous nerve crosses

Answer 55

Ankle centrally

Question 56

Intermediate dorsal cutaneous nerve lies

Answer 56

Anterior to lateral malleolus

Question 57

What is the continuation of Sural nerve AFTER the lateral malleolus, and what does it supply?

Answer 57

Lateral dorsal cutaneous Supplies lateral foot border

Question 58

What are the two branches of lateral dorsal cutaneous nerve?

Answer 58

10th proper dorsal digital nerve (dorsolateral 5th toe) | Continuation of lateral dorsal cutaneous

Question 59

in the superior leg, Anterior tibial artery and deep fibular nerve lie

Answer 59

Between TA and EDL

Question 60

In the inferior leg, Anterior tibial artery and deep fibular nerve lie

Answer 60

Between TA and EDL?

Question 61

Distal to the ankle joint, Dorsalis pedis and deep fibular nerve lie

Answer 61

Between EHL and EDL