Ankle Flashcards

1
Q

Malleoli - medial vs. lateral

A

Lateral goes further distal/posterior than medial

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2
Q

Talocrural joint

A

mortise
tibia to talus
fibula to talus

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3
Q

Talocrural joint is most stable in

A

DF

slack with PF

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4
Q

Talocrural joint - coupling

A

DF, ABD, EV

PF, ADD, INV

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5
Q

Talocrural joint - open chain

A

Talus on tibia

Convex on concave = OPP

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6
Q

Subtalar joint ROM

A
20 DF
50 PF
20 INV
10 EV 
10 ABD
20 ADD
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7
Q

Subtalar - pronation is what

A

Eversion, DF, ABD

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8
Q

Subtalar - supination is what

A

INV, PF, ADD

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9
Q

Subtalar - varus foot =

A

inversion

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10
Q

Subtalar - valgus foot =

A

eversion

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11
Q

Subtalar neutral

A

max conrguency/max contact area
2 to 1 ratio of supination to pronation
0-3 degrees inverted

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12
Q

Transverse tarsal (midtarsal) is made of what

A

talonavicular and calcaneocuboid

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13
Q

Transverse tarsal (midtarsal) close packed

A

Full supination

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14
Q

Transverse tarsal (midtarsal) open packed

A

Mid range

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15
Q

Transverse tarsal (midtarsal) - Talonavicular joint is what

A

Convex head of talus

Concave body of navicular

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16
Q

Subtalar joint coupling - when calcaneous is loose

A

forefoot and hindfoot move in same direction as tibia

If calcaneous is on floor - they move independently

17
Q

1st TMT coupled motion

A

DF and inv

PF and ev

18
Q

Metatarsophalangeal - forefoot varus is what

A

Hingfoot in neutral, forefoot lifted medially

19
Q

Metatarsophalangeal - forefoot valgus is what

A

forefoot lifted on lateral side

20
Q

Pes planus

A

flat foot, pronated, low arch

21
Q

Pes cavus

A

high arch, most weight on forefoot or hindfoot

22
Q

Pes rectus

A

normal arch

23
Q

Pes valgus

A

ankle leaning medially

24
Q

Pes varus

A

ankle leaning laterally

25
Q

Ottowa ankle rules

A

Unable to WB 4 steps

Bony tenderness at post edge or up to 6cm above malleoli

26
Q

Ottowa midfoot rules

A

Unable to WB 4 steps

Bony tenderness over navicular or base of 5th met

27
Q

Inferior tib/fib
close packed
open packed

A
Close = DF and ER
Open = PF
28
Q

Talocrural
close packed
open packed

A

DF and ER

20 degrees PF

29
Q

Talocrural capsular pattern

A

PF then DF

30
Q

Subtalar
close packed
open packed

A

eversion

neutral

31
Q

Subtalar - capsular pattern

A

inversion varus then valgus

32
Q

Midtarsal/tarsal - metatarsal
close packed
open packed

A

sup

neutral

33
Q

Midtarsal/tarsal - metatarsal capsular pattern

A

DF, pF, add, IR

34
Q

Metatarsal phalangeal
close
open

A

Close - full ext

open - slight ext

35
Q

Interphalangeal
close
open

A

close - full ext

open - slight flex

36
Q

Rearfoot varus

A

forefoot pronates

may flex MCP or IP joints of 1st toe

37
Q

Rearfoot valgus

A

Forefoot supinated

foot looks pes planus, tibia will IR

38
Q

Forefoot varus

A
Forefoot pronates
calcaneus may evert 
tibia will IR
hipp IR
incresaed flex at knee