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Intro Lower Extremity Foot and Ankle > Intro Lower Extremity Foot and Ankle > Flashcards

Intro Lower Extremity Foot and Ankle Flashcards

1
Q

Ankle PF and DF arthros for talus and fib

A

PF: Talus glides anterior and fib head glides inferior/anterior/IR

DF: talus glides posterior and fib head glides superior/posterior/ER

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2
Q

Talocrural joint AROM
DF, PF

A

DF: 20
PF: 50

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3
Q

Talocrural joint closed packed, resting, and capsular patter

A

Closed packed: max DF
Resting: 10 PF with mid between inv/eve
Capsular pattern: PF>DF

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4
Q

Pronation vs supinator tri planar motions

A

Pronation: DF, ABD, EVE
Supination: PF, ADD, INV

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5
Q

Open chain arthro in subtalar joint supination and pronation for calcaneus

A

Supination: calcaneus inverts and moves medial
Pronation: calcaneus everts and moves lateral

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6
Q

Close chain arthro subtalar joint for supination and pronation
Tibia
Talus
Calcaneus

A

Supination: tibial ER, talus DF/ABD, calcaneus inverts
Pronation: tibial IR, talus PF/ADD, calcaneus everts

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7
Q

Subtalar joint arom
Inv
Eve

A

Inv: 20-30
Eve: 5-10

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8
Q

Subtalar joint closed packed and resting

A

Closed: supination
Resting: midway between inversion and eversion, 10PF

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9
Q

Supination is a combination of

A

Supination: Inversion, PF, add
Pronation: eversion, DF, AND

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10
Q

The hind foot during gait cycle

A

Needs to be able to transition from torque converter in stance phase to rigid lever in toe off (driven by subtalar joint)

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11
Q

Heel strike and calcaneus and midfoot

A

Calcaneus everts to unlock midtarsal joints

Midfoot unlocks

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12
Q

Toe off and calcaneus and midfoot

A

Calcaneus inverts to lock midtarsal joints

Midfoot locks

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13
Q

What does subtalar dysfunction lead to and why

A

Leads to midfoot over pronation and forefoot abduction during toe off because there is no conversion and midtarsal joints stay unlocked

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14
Q

Overpronation and forefoot abduction can lead to

A

Lateral column compression

Elongation and tension to medial side ankle

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15
Q

Required amount of ankle extension for running and walking

A

15-20

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16
Q

When Talocrural extension is limited, what happens

A

Tibial IR
Calcaneus eversion
Midfoot pronation

(Lateral column compression)

17
Q

MTP 1 flexion and extension AROM

A

Ext: 70 (60 required for gait)
Flx: 45

18
Q

When does the first day begins to plantar flex

A

20-30 degrees 1st MTP extension

19
Q

What has to happen for proper first ray PF

A

Heel lift, subtalar supination, normal seasons function

20
Q

As plantar flexion of first ray continues, what way to metatarsals move

A

Posterior direction on seasmoids

21
Q

MTP 1 closed packed position

A

Max extension

22
Q

MTP 2-5 closed packed position

A

Max flexion

23
Q

MTP resting position and capsular pattern

A

Resting: 10 degrees ext
Capsular; extension, flexion

24
Q

IP closed pack position

A

Max extension

25
Q

IP resting and capsular pattern

A

Slight flexion

Flexion, extension

26
Q

IP 1 ext and flx AROM

A

Ext: 0
Flx: 90

27
Q

PIP 2-5 extension and flexion AROM

A

Ext: 0
Flx: 35

28
Q

DIP 2-5 extension and flexion AROM

A

Extension: 30
Flexion: 60

29
Q

What kind of joint is the inferior tibiofibular joint

A

Syndesmosis

30
Q

DF and PF
Tib/fib interosseus membrane
Fibula

A

DF: increased distance between medial and lateral malleolis, tension in membrane, fib ER and glides superior

PF: decreased distance between medial and lateral malleolus, fibula glides inferiorly and IR

31
Q

Eversion and inversion
Head of fibula
Fibula

A

Eversion: fib head glides proximal and fibula medially rotates

Inversion: fib head glides inferior and fibula lateral rotates

32
Q

Wells clinical prediction rule for DVT

A

Active cancer or within 6mos
Immobilization, paralysis, paresis
Bed>3 days or surgery in last 4 wks
Center post calf tender, popliteal space, or along femoral vein in ant thigh/groin
Entire LE swelling
U/L calf swelling > 3cm than good side
U/L pitting edema
Nonvaricose veins
Alternative diagnosis likely or more likely than DVT (-2, all others are 1)

33
Q

Points on wells

A

-2 to 0: low prob, med consult

1-2: mod, med referral
3 or more: high, med referral

34
Q

Ottawa ankle rules

A

Highly sensitive

Distal 6cm of posterior edge of tibia or tip medial malleolus

Distal 6cm of posterior edge of fibula or tip of lat malleolus

Base of 5th met pain

Navicular pain

(ANY of the above warrant referral)

Intro Lower Extremity Foot and Ankle (1 decks)

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