Pathological Gait: Foot & Ankle Flashcards

1
Q

Influence of muscle weakness

A

DF: Swing
PF: MSt/TSt
Inverters: LR/MSt/TSt

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2
Q

PF contracture

A

lose ability to DF

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3
Q

Having a 15 PF Contrature I can… I can’t…

A

CAN: PF 25-30

CAN’T: DF 10, 5, Neutral

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4
Q

Excessive PF

A

Lack of normal DF

Too much PF

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5
Q

Excessive DF

A

Lack of normal PF

Too much DF

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6
Q

Excessive PF: TSw-IC

Causes

A
DF weakness
Calf tightness/contracture
Excessive calf activity
Strategy to reduce heel rocker
Muscle weakness/Poor balance/Instability
Heel pain
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7
Q

Excessive PF: IC

Penalties

A

Decreased stance phase progression

Lack of heel rocker

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8
Q

Excessive PF: MSt/TSt

Causes

A

Calf tightness/contracture
Excessive PF activity
Shortened step length
Excessive calf activation
Compensatory for hip/knee extensor weakness
Push body forward as opposed to hip/knee extension pulling body forward

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9
Q

Excessive PF: MSt-TSt

Penalties

A

Decreased forward progress (lack of ankle rocker)
Requires compensatory strategies to augment forward progression
Knee hyperext
Midfoot pronation
Early heel rise and elevated COM

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10
Q

Excessive PF: ISw/MSw

Causes

A

DF weakness
Calf tightness/contracture
Excessive calf activity

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11
Q

Excessive PF: ISw/MSw

Penalties

A

Diminished foot clearance

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12
Q

Compensations for Excessive PF: ISw/MSw

A

Excessive hip/knee flexion

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13
Q

Excessive DF: IC & LR

Causes

A

AFO
Px Foot
5-8 DF: ankle/heel rocker

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14
Q

Excessive DF: IC & LR

Penalties

A

Excessive heel rocker

Excessive knee flexion/quads activity

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15
Q

Excessive DF: MSt/TSt/PSw

Causes

A

Calf weakness

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16
Q

Excessive DF: MSt/TSt/PSw

Penalties

A

Quads overuse

Excessive lowing of COM

17
Q

Abnormal Foot Pronation: Excessive in the expected phases:

A

LR

MSt

18
Q

Abnormal Foot Pronation: Wrong phase of gait

A

TSt

19
Q

Excessive Pronation: LR/MSt/TSt

Causes

A

Limited ankle DF, compensatory midfoot break
Hypomobile subtalar joint, comp midget break
Hypermobile rearfoot/midfoot
Inverter weakness
Rearfoot/Forefoot varus
Dynamic knee valgus

20
Q

Limited Pronation

Causes

A

Hypomobile rearfoot
Medial point of contact
Dynamic “splinting”
Cavus foot

21
Q

Abnormal Pronation

Penalties

A

Excessive motion

  • Stress on inverters & plantar fascia
  • Stress on inter-tarsal ligs
  • Hallux valgus
  • Increased tibia rotation and stress on knee

Limited motion
- Poor Shock Absorption