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Prosthetics > Pankow's Charts > Flashcards

Pankow's Charts Flashcards

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)

A
  1. Responsiveness
20
Q

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

A
  1. Increased cost
21
Q

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

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)

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

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

A
  1. Fixed cadence

2. Low stability

24
Q

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

A
  1. Initial prosthesis
  2. General debility
  3. Poor hip control (uneven terrain)
25
Q

What is the advantage of the stance control (weight activated) knee (1)

A
  1. Improved knee stability
26
Q

What is the disadvantage of the stance control (weight activated) knee (2)

A
  1. Delayed swing phase

2. Must unload fully to flex and sit

27
Q

What is general indication for the polycentric positive stability knee (3)

A
  1. Initial prosthesis
  2. General debility
  3. Poor hip control (uneven terrain)
28
Q

What s the advantage of the polycentric positive stability knee (1)

A
  1. Excellent knee stability
29
Q

What is the disadvantage of the polycentric positive stability knee (2)

A
  1. Added weight

2. Added cost

30
Q

What is the general indication for polycentric sitting cosmesis knee (2)

A
  1. Knee disarticulation

2. Very long transfemoral amputation

31
Q

What is the advantage of the polycentric sitting cosmesis knee (1)

A
  1. Cosmesis for long amputations
32
Q

What is the disadvantage of the polycentric sitting cosmesis knee (3)

A
  1. Added weight
  2. Added cost
  3. Not heavy duty
33
Q

What is the general indication for the manual locking knee

A

Knee of last resort

34
Q

What is the advantage of the manual locking knee

A

Ultimate knee stability

35
Q

What is the disadvantage of the manual locking knee (2)

A
  1. Abnormal gait

2. Awkward sitting

36
Q

What is the general indication of the fluid controlled knees

A

Able to vary walking speed

37
Q

What is the advantage of the fluid controlled knees (3)

A
  1. Variable cadence
  2. Smoothest most natural gait
  3. Sophisticated stability
38
Q

What is the disadvantage of the fluid controlled knees (3)

A
  1. Great weight
  2. Great cost
  3. Maintenance
39
Q

What is the general indication for the hybrid knee

A

For combined functions from two or more classes

40
Q

What is the advantage of the hybrid knee (1)

A
  1. One knee allows multiple functions
41
Q

What is the disadvantage of the hybrid knee (2)

A
  1. Great cost

2. Complexity

42
Q

What feet fall into K1-K2 (4)

A
  1. SACH
  2. Single axis
  3. Multi-axis
  4. Elastic keel
43
Q

What feet fall into K3-K4 (2)

A
  1. Dynamic response

2. Fluid filled

44
Q

What knees fall into K1-K2 (4)

A
  1. Constant friction (single axis)
  2. Stance control (weight activated)
  3. Polycentric
  4. Manual locking
45
Q

What knees fall into K3-K4 (3)

A
  1. Fluid controlled
  2. Hybrid
  3. Microprocessor

Prosthetics (8 decks)

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