Gait Deviations Flashcards

1
Q

What does the foot being displaced medial cause

A

Pushes knee into varus (more lateral thrust)

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2
Q

What does the foot being displaced lateral cause

A

Pushes knee into valgus

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3
Q

What does posterior displacement of the foot cause

A

DF and knee flexion

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4
Q

What does anterior displacement of the foot cause

A

PF and hyperextension

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5
Q

What causes the knee to remain extended (5)

A
  1. Foot too anterior
  2. Foot too plantarflexed
  3. Heel cushion too soft
  4. Heel on shoe too low
  5. Excessive use of knee extensors or weak quadriceps
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6
Q

What causes excessive knee flexion (6)

A
  1. Foot too posterior
  2. Foot too dorsiflexed
  3. Heel on shoe too high
  4. Heel cushion too firm
  5. Increased pressure against anterodistal tibia
  6. Weak knee extensors resulting in flexion that is not smooth
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7
Q

What causes early knee flexion (4)

A
  1. Excessive posterior displacement of the foot in relation to the socket
  2. Excessive dorsiflexion
  3. Prosthetic foot keel is too short
  4. Excessive socket flexion (may occur with a resolving knee flexion contracture)
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8
Q

What causes delayed knee flexion (2)

A
  1. Foot too anterior

2. Foot too plantarflexed

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9
Q

What causes a foot whip (2)

A
  1. Suspension cuff not aligned evenly

2. Prosthesis is rotated

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10
Q

What motion causes a medial whip

A

ER of the knee

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11
Q

What motion causes a lateral whip

A

IR of the knee

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12
Q

What whip is most common

A

Medial

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13
Q

How do you determine the whip

A

How the heel is positioned (if medial or lateral)

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14
Q

What causes pistoning of the residual limb in the socket (4)

A
  1. Suspension inadequate
  2. Not enough prosthetic socks
  3. Prosthesis has been put on incorrectly
  4. Patient has lost weight
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