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NPTE Study: MSK > Prosthetics: Componentry > Flashcards

Prosthetics: Componentry Flashcards

1
Q

Influencing factors: Single axis knee

Reciprocating gait

A

Difficult to reciprocate gait

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2
Q

Influencing factors: single axis knee

Friction

A

Constant friction mechanism

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3
Q

Influencing factors: single axis knee

Knee extension/stance phase

A

May or may not have

  • knee extension assist and/or
  • weight-activated stance phase control
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4
Q

Influencing factors: polycentric knee

Reciprocal gait

A

Reciprocal gait is more fluid than single axis knee

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5
Q

Influencing factors: polycentric knee

Weight

A

Heavier than single axis

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6
Q

Influencing factors: polycentric knee

Friction

A

Constant friction mechanism

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7
Q

Influencing factors: polycentric knee

Knee extension/stance phase

A

May or may not have

  • knee extension assist and/or
  • weight-activated stance phase
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8
Q

Influencing factors: hydraulic knee

Benefits: friction, control

A
  • variable friction for improved swing

- stance phase control

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9
Q

Influencing factors: microprocessor knee

Benefits

A
  • Multiple programs to accommodate activity level
  • Fluid management of stair descent
  • variable friction for improved friction and stance phase control
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10
Q

Influencing factors: microprocessor knee

Drawback

A

Requires charging

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11
Q

Influencing factors: SACH foot

Benefits

A
  • Inexpensive
  • Low maintenance
  • Cushioned heel for shock absorption
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12
Q

Influencing factors: SACH foot

Drawbacks

A
  • Non-articulating with a rigid heel
  • Lacks energy return
  • Can’t accommodate to uneven surfaces
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13
Q

Influencing factors: single axis foot

Plane of motion

A

Allows motion in singular plane

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14
Q

Influencing factors: single axis foot

Benefit (weight bearing)

A

Improved knee stability during weight acceptance

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15
Q

Influencing factors: single axis foot

Drawback

A

Lacks energy return function if not paired with a dynamic response foot

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16
Q

Influencing factors: dynamic response foot

Articulating?

A

Can be articulating or nonarticulating

17
Q

Influencing factors: dynamic response foot

Keel

A
  • Has the ability to store and return some energy

- may have split keel

18
Q

Influencing factors: dynamic response foot

Benefit of split keel

A

Improved surface accommodation

19
Q

Influencing factors: hydraulic/microprocessor foot

Benefits

A
  • improved shock absorption

- Finer control over stability/mobility of motions

20
Q

Influencing factors: hydraulic/microprocessor foot

Drawback

A

Not appropriate for all environmental conditions

NPTE Study: MSK (46 decks)

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