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Flashcards in Ankle and Foot Deck (59):
1


What is special about muscle at the foot?


They are dynamic, meaning shorten or lengthen

2

Blood supply in general for foot?

Nerve supply for foot?


anterior/posterior tibial artery

common peroneal, femoral and tibial nerves

3


How is the ankle and foot divide?


hindfoot, midfoot and forefoot

4

Name of the bone for hindfoot and midfoot?


Tarsal

5


What are bone parts of hindfoot?


Calcaneus

Talus

6


What bones are parts of midfoot?


Cuboid

3-Cuniform

Navicular

7

What bones are part of forefoot?


metatarsal and phalanges

8


What is special about talus bone?


no muscle attachment and hard to be repaired

9

What are the joints involved in Talus?


Talocrural

subtalor

transverse tarsal

10


Talocrural Joint?

Subtalor Joint?

transverse tarsal


superior articulate of talus with tibia/fibula

Inferior articulate of talus with calcaneus

anterior articulate of talus with navicular

11


What bones are part of calcaneus?


sustentaculum tali

heel

tendo calcaneus

tuber calcanei

12


Tendo Calcaneus

Tuber Calcanei


farthest point of posterior of calcaneus

Lowest point of inferior of calcaneus

13

What is the muscle for only dorsal foot?


extensor digitorum brevis

14


OIANB of extensor digitorum brevis?


Anterior/Lateral Calcaneus

Extensor expansion of toes 1-4

Extension of toes 1-4

Deep peroneal N

Dorsalis Pedis

15


How is the nerve innervaton for the plantar foot?

All nerve supply is lateral planatar N except abductor hallucis, flexor digitorum brevis, flexor hallucis brevis (medial plantar N)

16


What muscles are in the 1st layer of the foot?


Abductor Hallucis

Flexor Digitorum Brevis

Abductor Digiti Minimi

17


2nd layer foot muscle?


quadratus plantae

lumbricals

18

3rd muscles layer of foot?


flexor hallucis brevis

adductor hallucis

flexor digitorum minimi

19


4th muscle layers of foot?


dorsal interossei

plantar interossei

20


OIANB of abductor hallucis?


Calcaneous

medial aspect of proximal phalanx of great toe

Flexion/Abduction of great toe

Medial Plantar N+A

21

OIANB of Flexor Digitorum Brevis

Calcaneous

Middle phalanges Toes 2-5

Flexion of toes 2-5

Medial Plantar A+N

22

Abductor digiti minimi


calcaneous

lateral phalanges of toes 5

flexion/abduction of toes 5

lateral plantar N+A

23

OIANB of Quadratus Plantae

Calcaneous

Lateral surface of Flexor Digitorum Longus

Flexion of toes 2-5 at DIP joints

Lateral Plantar N+A

24


Lumbricals OIANB?


Tendons of flexor digitorum longus

extensor expansion of toes 2-5

Flexion of toes 2-5 at MTP joints

Extension of toes 2-5 at IP joints

Toe 2: Medial Plantar N

Toes 3-5: Lateral Plantar N

Lateral Plantar A

25


OIANB of flexor hallucis brevis


Cuboid and lateral cuneiform

Medial/Lateral side of phalanx great toe

Flexion of great toe at MTP joints

Medial Plantar A+N

26


OIANB of Adductor Hallucis


Complicated one

Lateral phalanx of great toe

Flexion/Adduction of great toe at MTP joints

Lateral Plantar N+A

27


Flexor Digiti minimi


Metatarsal of 5th toe

Lateral base of phalanx of toes 5

flexion of toes 5 at MTP joints

Lateral Plantar A+N

28

What muscles has dorsalis pedis A + deep peroneal N? What is its action?


Extensor Digitorum Brevis

Extension of toes 1-4

29


What muscles has the origin of tendons of FDL? What is its action?


Lumbricals

Extension of toes 2-5 at IP joints

Flexion of toes 2-5 at MIP joints

30


What is action of ant/post retinacula?


extensor reniculae

31


Property of superior extensor retinacula?
 inf extensor retinacula


not strong, transversely fiber

more complicated, distinct fiber

32


Where does the inf extensor retinacula originate? What are the branches of this?


calcaneus

lower limb/upper limbs

33

Where does upper limb of inf ext retinacula insert? lower limb?


the medial calleoulus

plantar fascia of foot

34

Retinacula in foot?


Extensor/Flexor

Superior/Inferior Peroneal

35

What side is the flexor retinaculae on? what does it cover? What does it connect?


medial side
Tom, Dick and Nervous Harry

connect calcaneus with medial maleolus

36

What does the extensor retinacula cover?


anterior leg compartment

37

What side is the peroneal retinaculae on? What does it hold? 2 branch?


Lateral

Peroneus longus/brevis

Superior/Inferior

38

Branches of dorsalis pedis


lateral tarsal

deep plantar a

arcuate a

39


Branch of arcuate foot BS?


dorsal metatarsal a

dorsal digital a

40

plantar foot BS?


posterior tibial A

Medial Plantar/Lateral Plantar

vein

41


Where does the medial/lateral plantar supply?


big toe and medial side

baby toe and lateral side

42

What branches are of plantar arterial arch?


4 branches of plantar metatarsal a

3 perforating A

43

What does 3 perforating A supply?


dorsal metatarsal arteries

44

Foot veins?


dorsal digital

dorsal venous arch

45

Where does the dorsal digital veins feed into?


dorsal venous arch

46

nerve of the foot?


medial/lateral plantar

sural

sapphenous

superficial/deep peroneal

47

Where does medial/later plantar N branch from? saphenous? sural?


tibia

femoral

common peroneal & tibia

48

What side does the saphenous supply? sural?

Medial arch & ankle/ Lateral side

49

Where does the deep peroneal supply?


the wedge between 1st and 2nd toe

49


What type of joint is the 1st joint of ankle (proximal tibia-fibula)? 2nd joint?

plane joint (sliding vertical, fibular rotaion)

syndesmosis

50

Ligaments for type 2 joint of ankle?


ant/post fibula-tibia

interosseous lig

51

What bone support the weight bearing in leg?


tibia and not ffibia

52

Ligaments that reinforce talocrural joint?


1 medial and 3 lateral collateral ligament

53

What are the medial collateral ligaments in ankle?

tibiocalcaneal

tibiotalar

tibionavicular

54

Medial colatteral ligament connect what to what?


medial malleolus to sustentaculum tali

navicular tuberosity

body of talus

55

What are the lateral collateral lig?


talofibular (post/ant)

calcaneofibular

56

What ligament usually damaged when sprain ankle? What side of this ligament on?


anterior talofibular lig

medial

57

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