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DPT 702/3: AFAB > E3- ankle > Flashcards

E3- ankle Flashcards

1
Q

what is the hindfoot

A

talus
calcaneous
subtalar

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2
Q

what is the midfoot

A

tarsal bones
transverse tarsal
intertarsal

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3
Q

what is the forefoot

A

metatarsal
phalanges

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4
Q

what is the ankle

A

talocrural joint
tibia
fibula
talus

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5
Q

what is the foot

A

tarsal bones and distal jts

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6
Q

how much weight does the fibula transfer

A

10 %

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7
Q

how do you tell the difference between leg ER and tibial ER

A

patella will be ER as well with whole leg ER
patella will be straight while tibia ER

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8
Q

what is pronation

A

eversion
ABD
DF

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9
Q

what is supination

A

inversion
ADD
PF

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10
Q

what runs under the cuboid groove and limits rolling the ankle

A

peroneus longus

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11
Q

what m has sesamoid bones

A

flexor hallicus longus in 1st metatarsal

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12
Q

what attaches to 5th metatarsal styloid process

A

peroneus brevis

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13
Q

what is a valgus foot

A

pronation
flat foot
outward calcaneus

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14
Q

what is a varus foot

A

supination
high arch
inward calcaneus

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15
Q

what is metatarsus adductus

A

metatarsal bones deviate inward

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16
Q

what is pes equinus

A

forward bending motion of the ankle
limited DF

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17
Q

what strengthens the proximal tibiofibular jt

A

bicep femoris
popliteus

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18
Q

what is the function of distal tibio

A

slight movement with DF
stable for correct talocrural jt

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19
Q

what is pes cavus

A

high arch

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20
Q

what is pes plantus

A

flat foot

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21
Q

what jt has 90-95% of compressive forces through it

A

talocrural jt

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22
Q

what motions does the talocrural ligs limit

A

inversion and eversion

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23
Q

what is the deltoid ligament

A

tibionavicular
tibiospring
tibiocalcaneal
tibiotalar

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24
Q

what does the deltoid lig limit

A

extreme eversion across TC/ST/TN

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25
Q

how is the deltoid lig most commonly injured

A

injury uncommon
landing in ER, ABD and eversion

26
Q

how do lateral ankle sprains happen

A

inversion
calcaneus inverts at heel contact and med malleolus can not block

27
Q

how is the ant talofibular lig injured

A

inversion and ADD with PF

28
Q

what does the calcaneofibular lig limit

A

inversion at talocrural in full DF

29
Q

what does the post talofibular lig do

A

stabilize talus
limits ABD of talus

30
Q

what is the osteokinematics of talocrural jt

A

one deg of freedom
DF/PF —– supination/pronation

31
Q

what is neutral position of TC jt

A

foot 90 to leg

32
Q

what is the ROM of TC DF

A

15-25 deg

33
Q

what is ROM of TC PF

A

40-55 deg

34
Q

what is the arthro of TC OC DF

A

roll ant
slide post
closed pack position

35
Q

what is the arthro of TC CC DF

A

tibia moves ant

36
Q

what are taut in DF

A

calcaneofibular
post talofibular

37
Q

what can cause high ankle sprain

A

extreme DF

38
Q

what direction will you mobilize the talus to gain DF

A

post translation

39
Q

what is the arthro of TC OC PF

A

roll post
slide ant

40
Q

what is the arthro of TC CC PF

A

tibia moves post

41
Q

what is taut in PF

A

ant tibiofibular
tibionavicular

42
Q

what happens to dome of talus in PF

A

moves out in loose pack
decrease bony stability

43
Q

what does the calcaneofibular lig limit

A

inversion

44
Q

what is the transverse tarsal jt

A

talonavicular
calcaneocubiod

45
Q

what is the function of the transverse tarsal jt

A

allows WB foot to adapt
functions with subtalar to allow sup/pro

46
Q

what is the purpose of talonavicular jt

A

substantial mobility for twisting and bending

47
Q

what is the purpose of calcaneocuboid

A

stability to lateral ankle

48
Q

what is subtalar NWB pronation

A

calcaneus moves into eve, abd, df

49
Q

what is subtalar NWB supination

A

calcaneus moves into inv, add, pf

50
Q

what is subtalar WB pronation

A

calcaneus eve
talus add and pf

51
Q

what is subtalar WB supination

A

calcaneus inv
talus abd and df

52
Q

how does the tibia RT with WB supination

A

ER

53
Q

how does the tibia RT with WB pronation

A

IR

54
Q

what happens for the transverse tarsal jt to move if calcaneus is firmly held

A

navicular spins on talonavicular jt

55
Q

what helps lift the medial arch for supination

A

post tib

56
Q

what helps arch for pronation

A

peroneals

57
Q

what is the medial arch function

A

primary load bearing and shock absorbing structure

58
Q

what structures help assist the medial arch

A

fat pads
sesamoid bones
plantar fascia

59
Q

what is the result of pes planus

A

result of jt laxity
excessive subtalar pronation

60
Q

when during the gait cycle should your arch go flat and when should it go up

A

down= midtsance
up= push off toes

61
Q

what position is your foot in during heel contact of gait

A

TC- DF
ST- supinated
tibia ER

62
Q

how does a paradoxically happen

A

rearfoot or forefoot fixed varus leads to over pronation trying to get foot to contact ground

DPT 702/3: AFAB (7 decks)

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