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Prosthetics and Orthotics (Spring 2017) > Orthotic Design for the Foot and Ankle: Shoes and IMOs > Flashcards

Orthotic Design for the Foot and Ankle: Shoes and IMOs Flashcards

1
Q

what 2 things must be considered regarding the foot/ankle complex for orthotics

A
  1. function

2. structure

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2
Q

three types of ankle-foot orthoses

A
  1. plastic
  2. metal
  3. hybrid
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3
Q

type of orthotic used at Howard PT to help plantar fasciitis

A

inframalleolar (IMO)

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4
Q

motion occurring at the midtarsal joint during supination

A

plantarflexion

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5
Q

what does AAFO stand for

A

Articulated Ankle Foot Orthosis

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6
Q

motion occurring at the tarsal/metatarsal joints during supination

A

adduction, inversion

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7
Q

three types of shoes

A
  1. lace to toe
  2. blucher
  3. balmoral
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8
Q

what can be considered a type of orthotic depending on features or modifications made to the design

A

shoe

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9
Q

what does IMO stand for

A

inframalleolar

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10
Q

what joint does dorsiflexion/plantarflexion occur at

A

talocrural

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11
Q

three motions composing supination

A
  1. adduction
  2. inversion
  3. plantarflexion
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12
Q

what motions result from controlling the triplanar motions of the foot and ankle?

A

pronation/supination

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13
Q

motions that occur at the subtalar joint

A

inversion and eversion

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14
Q

following pronation, what is happening at the:

  1. tibia (1)
  2. knee (3)
  3. hip (3)
  4. lumbar (1)
A
  1. tibia - internal rotation
  2. knee - flex, IR, valgus
  3. hip - IR, ADD, flex
  4. lumbar - extension
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15
Q

in pronation, what is the tarsal/metatarsal joint doing

A

abduction and eversion

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16
Q

SAFOs (Solid Ankle Foot Orthoses) may also be called

A

fixed AFO

17
Q

primary and secondary forces controlling supination for an orthotic

A

primary force: originates lateral at lateral malleolus, directed medially

secondary force 1: orginates medial at superomedial part of orthosis, directed laterally

secondary force 2: originates medially at the first methead, projects laterally

18
Q

definition of a hybrid ankle-foot orthosis

A

plastic footplate attached to metal calf band and bars

19
Q

is the foot/ankle designed for both stability and mobility?

A

yes - both stability and mobility

20
Q

why must the structure and function of the foot/ankle complex be considered for foot orthotics

A

influence on other joints in the kinematic chain

21
Q

what does SAFO stand for

A

Solid Ankle Foot Orthosis

22
Q

primary and secondary forces controlling pronation

A

primary: originates medially at the talus and navicular, projecting laterally

secondary 1: originates laterally at the 5th met head, projecting medially

secondary 2: originating superolateral trimline of orthosis, projecting medially

23
Q

what does AFO stand for

A

ankle-foot orthosis

24
Q

what joint does inversion/eversion occur at

A

subtalar

25
Q

what does HAFO stand for

A

Hinged Ankle Foot Orthosis

26
Q

motions that occur at the talocrural joint

A

dorsiflexion and plantarflexion

27
Q

benefits of hybrid AFOs (3)

A
  1. better for heat
  2. helps with limbs that change volume
  3. increase proprioception
28
Q

4 joints at the foot/ankle

A
  1. talocrural
  2. subtalar
  3. midtarsal
  4. tarsal/metatarsal
29
Q

during supination, what is happening at:

  1. tibia (1)
  2. knee (2)
  3. hip (3)
  4. lumbar spine (1)
A
  1. tibia - ER
  2. knee - extension, varus
  3. hip - extension, ER, ABD
  4. lumbar - flexion
30
Q

what is a metal orthosis

A

has a metal calf band, m&L bars

31
Q

most sneakers are _________ type of shoe

A

balmoral

32
Q

in pronation, what is the midtarsal joint doing

A

dorsiflexion

33
Q

overall, what is the role of the midtarsal joint

A

to follow the talocrural

34
Q

the three planes that motion will occur in for the foot and ankle

A
  1. coronal
  2. sagittal
  3. transverse
35
Q

is a metal orthosis attached to a shoe or sneaker

A

yes

36
Q

three motions that compose pronation

A
  1. abduction
  2. eversion
  3. dorsiflexion
37
Q

benefit of lace to toe shoe

A

very easy to open wide when putting foot into shoe

38
Q

the foot and ankle: ______ motion throughout the foot and ankle complex

A

triplanar

Prosthetics and Orthotics (Spring 2017) (14 decks)

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