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Human Gait > Normal Gait Cycle - Specifics > Flashcards

Normal Gait Cycle - Specifics Flashcards

1
Q

What is the order of the Gait Cycle

A

Initial Contact –> Loading Response –> Midstance –> Terminal Stance –> Pre Swing –> Initial Swing –> Mid Swing –> Terminal Swing

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2
Q

What % of the gait cycle does Initial Contact Make up?

A

0-2%

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3
Q

What % of the gait cycle does Loading Response make up?

A

2-12% // important for shock absorption

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4
Q

What Rocker is going on during Loading Response?

A

Heel Rocker

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5
Q

What % of the gait cycle does Mid Stance make up?

A

12-30%

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6
Q

What Rocker is going on during Mid Stance?

A

Ankle Rocker

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7
Q

What % of the gait cycle does Terminal Stance Make up?

A

30-50% // begins when reference heel rises and ends when opposite heel initial contact

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8
Q

What Rocker is going on during Terminal Stance?

A

Forefoot Rocker

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9
Q

What % of the gait cycle does Pre Swing make up?

A

50-62% // beings w/ opposite initial contact and ends with reference toe-off

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10
Q

What Rocker is going on during Pre Swing?

A

Toe Rocker

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11
Q

What % of the gait cycle does Initial Swing make up?

A

62-75% // begins when reference foot lifts from floor and ends when swinging foot lines up with stance foot // MAXIMUM KNEE FLEXION REQUIRED

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12
Q

What % of the gait cycle does Mid Swing make up?

A

75-87% // begins w/ max knee flexion until reference limb is anterior to body and tibia is vertical. TYPICAL FOOT CLEARANCE 1-2cm

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13
Q

What % of the gait cycle does Terminal Swing make up?

A

87-100% // begins w/ vertical tibia on reference limb and ends w/ initial contact

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14
Q

What Critical Event is occuring during Initial Contact?

A

Initial floor contact w/o falling or slowing, foward progression, double support

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15
Q

What Critical Event is occuring during Loading Response?

A

Shock absorption, posture maintenance, double support

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16
Q

What Critical Event is occuring during Mid Stance?

A

Controlled but unrestrained forward progression of body, maximum lateral displacement, highest our CoG gets single support

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17
Q

What Critical Event is occuring during Terminal Stance?

A

Free forward fall of body –> heel off / push off, single support

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18
Q

What Critical Event is occuring during Pre Swing?

A

Knee flexion timed w/ weight shift, double support, lowest our CoG gets

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19
Q

What Critical Event is occuring during Initial Swing?

A

foot clearance and thigh progression, max knee flexion, single support

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20
Q

What Critical Event is occuring during Mid Swing?

A

continued floor clearance, vertical tibia, single support

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21
Q

What Critical Event is occuring during Terminal Swing?

A

Deceleration of swinging limb, pre-positioning of foot for initial contact, single support **eccentric

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22
Q

For 0-15% of the gait cycle, the pelvis is rotating how?

A

Internally rotating

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23
Q

For 15-60% of the gait cycle, the pelvis is rotating how?

A

Externally rotating

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24
Q

For 60-100% of the gait cycle, the pelvis is rotating how?

A

Internally rotating

25
Q

For 0-18% of the gait cycle, the Femur is rotating how?

A

internally rotating

26
Q

For 18-60% of the gait cycle, the Femur is rotating how?

A

Externally rotating

27
Q

For 60-100% of the gait cycle, the Femur is rotating how?

A

internally rotating

28
Q

For 0-20% of the gait cycle, the Tibia is rotating how?

A

internally rotating

29
Q

For 20-60% of the gait cycle, the Tibia is rotating how?

A

Externally rotating

30
Q

For 60-100% of the gait cycle, the Tibia is rotating how?

A

internally rotating

31
Q

For 0-30% of the gait cycle, the Subtalar Joint is rotating how?

A

everting

32
Q

For 30-55% of the gait cycle, the Subtalar Joint is rotating how?

A

inverting

33
Q

For 55-100% of the gait cycle, the Subtalar Joint is rotating how?

A

everting

34
Q

For 0-30% of the gait cycle, the Midfoot is rotating how?

A

increasing pliability

35
Q

For 30-55% of the gait cycle, the Midfoot is rotating how?

A

increasing stability

36
Q

For 55-100% of the gait cycle, the Midfoot is rotating how?

A

increasing pliability

37
Q

Someone’s gait speed is 0.2 m/s, what does that mean?

A

extremely frail, risk of death/hospitalization/falls, functional impairments, disability, highly dependent/dc to SNF, household walker

38
Q

Someone’s gait speed is 0.4 m/s, what does that mean?

A

intervention needed to reduce falls, risk of death, disability, 90% dc to home, limited community ambulator

39
Q

Someone’s gait speed is 0.6 m/s, what does that mean?

A

intervention needed to reduce falls, 90% dc home from hospital, limited community ambulator

40
Q

Someone’s gait speed is 0.8 m/s, what does that mean?

A

intervention needed to reduce falls, cognitive decline in 5 years, increased independence in self care, community ambulator

41
Q

Someoe’s gait speed is 1.0 m/s, what does that mean?

A

less likely to be hospitalized, able to do household activities, increased independence, community ambulator

42
Q

Someone’s gait speed is 1.2 m/s, what does that mean?

A

less likely to be hospitalized, able to do household activities, increased independence, community ambulator

43
Q

Someone’s gait speed is 1.4 m/s, what does that mean?

A

less likely to be hospitalized, able to do household activities, increased independence, cross street safely

44
Q

What is a “normal” gait speed?

A

Moderate rate, about 3mph

45
Q

What is gait speed studied at?

A

3.5mph

46
Q

In normal walking, muscles function at what level?

A

3/5 MMT, 25% of normal strengthh

47
Q

What % of the gait cycle happens during walking?

A

60% stance, 40% swing

48
Q

What % of the gait cycle happens during race-walking?

A

50% stance 50% swing

49
Q

What % of the gait cycle happens during running?

A

30% stance 70% swing

50
Q

What % of the gait cycle happens during sprinting?

A

20% stance 80% swing

51
Q

Which phases are in the task Weight Acceptance?

A

Initial Contact, Loading Response

52
Q

Which phases are in the task Single Limb Support?

A

Mid Stance, Terminal Stance

53
Q

Which phases are in the task Swing Limb Advancement?

A

Pre-Swing, Initial Swing, Mid Swing, Terminal Swing

54
Q

Pelvic drop should not exceed _________ degrees during gait

A

4 degrees

55
Q

When in Initial Contact, is the GRFV anterior or posterior to the hip/knee/ankle?

A

Hip: Anterior
Knee: Anterior
Ankle: Posterior

56
Q

When in Loading Response, is the GRFV anterior or posterior to the hip/knee/ankle?

A

Hip: Anterior
Knee: Posterior
Ankle: Posterior

57
Q

When in Mid-Stance, is the GRFV anterior or posterior to the hip/knee/ankle?

A

Hip: Anterior - Posterior
Knee: Posterior - Anterior
Ankle: Anterior

58
Q

When in Terminal Stance, is the GRFV anterior or posterior to the hip/knee/ankle?

A

Hip: Posterior
Knee: Anterior, moves posterior just before CL IC
Ankle: Anterior

59
Q

When in Pre-Swing, is the GRFV anterior or posterior to the hip/knee/ankle?

A

Hip: Posterior
Knee: Posterior
Ankle: Anterior

Human Gait (21 decks)

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