Prosthetics > Pankow's Charts > Flashcards

Pankow's Charts Flashcards

(45 cards)

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1
Q

What is the function of the SACH foot

A

Simplicity

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2
Q

What is the indication for the SACH foot

A

General utility

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3
Q

What is the advantage of the SACH foot (2)

A
  1. Inexpensive

2. Durable

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4
Q

What is the disadvantage of the SACH foot (2)

A
  1. Energy consuming

2. Rigid

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5
Q

What is the function of the single axis foot

A

Promote rapid footflat

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6
Q

What is the indication for the single axis foot

A

To enhance prosthetic knee stability

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7
Q

What is the advantage of the single axis foot (1)

A
  1. Stability in early stance
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8
Q

What is the disadvantage of the single axis foot (3)

A
  1. Increased cost
  2. Increased weight
  3. Maintenance
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9
Q

What is the function of the multi-axis foot (2)

A
  1. Hindfoot inversion and eversion

2. Internal and external rotation

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10
Q

What is the indication for the multi-axis foot

A

To accommodate uneven surfaces

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11
Q

What is the advantage of the multi-axis foot (1)

A
  1. Relieve stress on skin and prosthesis
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12
Q

What is the disadvantage of the multi-axis foot (3)

A
  1. Increased cost
  2. Increased weight
  3. Maintenance
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13
Q

What is the function of the elastic keel

A

Smooth rollover

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14
Q

What is the indication for the elastic keel

A

Easier ambulation

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15
Q

What is the advantage of the elastic keel (2)

A
  1. Comfortable

2. Reliable

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16
Q

What is the disadvantage of the elastic keel (2)

A
  1. Limited push-off

2. Increased cost

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17
Q

What is the function of the dynamic response foot

A

Active pushoff

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18
Q

What is the indication of the dynamic response foot

A

To increase activity level

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19
Q

What is the advantage of the dynamic response foot (1)

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A
  1. Responsiveness
20
Q

What is the disadvantage of the dynamic response foot (1)

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A
  1. Increased cost
21
Q

What is the general indication of the single axis (constant friction) knee

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A

Single speed walking on level surfaces only if hip control is good or better

22
Q

What is the advantage of the single axis (constant friction) knee (3)

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A
  1. Simple
  2. Inexpensive
  3. Reliable
23
Q

What is the disadvantage of the single axis (constant friction) knee (2)

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A
  1. Fixed cadence

2. Low stability

24
Q

What is the general indication of the stance control (weight activated) knee (3)

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A
  1. Initial prosthesis
  2. General debility
  3. Poor hip control (uneven terrain)
25
What is the advantage of the stance control (weight activated) knee (1)
1. Improved knee stability
26
What is the disadvantage of the stance control (weight activated) knee (2)
1. Delayed swing phase | 2. Must unload fully to flex and sit
27
What is general indication for the polycentric positive stability knee (3)
1. Initial prosthesis 2. General debility 3. Poor hip control (uneven terrain)
28
What s the advantage of the polycentric positive stability knee (1)
1. Excellent knee stability
29
What is the disadvantage of the polycentric positive stability knee (2)
1. Added weight | 2. Added cost
30
What is the general indication for polycentric sitting cosmesis knee (2)
1. Knee disarticulation | 2. Very long transfemoral amputation
31
What is the advantage of the polycentric sitting cosmesis knee (1)
1. Cosmesis for long amputations
32
What is the disadvantage of the polycentric sitting cosmesis knee (3)
1. Added weight 2. Added cost 3. Not heavy duty
33
What is the general indication for the manual locking knee
Knee of last resort
34
What is the advantage of the manual locking knee
Ultimate knee stability
35
What is the disadvantage of the manual locking knee (2)
1. Abnormal gait | 2. Awkward sitting
36
What is the general indication of the fluid controlled knees
Able to vary walking speed
37
What is the advantage of the fluid controlled knees (3)
1. Variable cadence 2. Smoothest most natural gait 3. Sophisticated stability
38
What is the disadvantage of the fluid controlled knees (3)
1. Great weight 2. Great cost 3. Maintenance
39
What is the general indication for the hybrid knee
For combined functions from two or more classes
40
What is the advantage of the hybrid knee (1)
1. One knee allows multiple functions
41
What is the disadvantage of the hybrid knee (2)
1. Great cost | 2. Complexity
42
What feet fall into K1-K2 (4)
1. SACH 2. Single axis 3. Multi-axis 4. Elastic keel
43
What feet fall into K3-K4 (2)
1. Dynamic response | 2. Fluid filled
44
What knees fall into K1-K2 (4)
1. Constant friction (single axis) 2. Stance control (weight activated) 3. Polycentric 4. Manual locking
45
What knees fall into K3-K4 (3)
1. Fluid controlled 2. Hybrid 3. Microprocessor
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