GAIT 1 Flashcards

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1
Q

definition of gait

A

The translatory progression of the body as a whole, produced by coordinated, rotatory movements of body segments

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2
Q

lower extremities support what % of body weight?

A

75% (head arms=25%, trunk=50%)

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3
Q

5 tasks of gait

A
  1. maintain HAT
  2. maintain upright posture/balance
  3. control foot trajectory for clearance
  4. generate mech energy for maintaining speed
  5. absorb mech energy for shock absorption/slowing down
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4
Q

1 year gait

A

high guard, fast gait
flat foot strike, short steps
more hip/knee flexion
170 spm

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5
Q

18 months gait

A

more natural, heel strike, arm swing
may run

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6
Q

2-3 year old gait

A

normal BOS
walk on tip toes, hop

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7
Q

7 year old gait

A

normal like adolts

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8
Q

adolescent gate

A

gait parameters stabilize once growth tapers

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9
Q

gait initiation from standing: initiates what muscles?

A

anterior tib
vastus lateralis (quad)
inhibit gastroc
*sagittal torque at ankles

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10
Q

what kind of torque is produced by shifting COP towards support limb by abducting swing hip during GAIT INITIATION

A

coronal torque

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11
Q

gait initiation lasts

A

0.64 seconds
1. sag torque at ankles
2. ant tib/vast lat activate
3. shift COP, abduct swing hip (coronal torque)
4. foot lifts off ground

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12
Q

What are phases of gait?

A
  1. IC
  2. LR
  3. mid stance
  4. terminal stance
  5. preswing
  6. initial swing
  7. mid swing
  8. terminal swing
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13
Q

2 periods of double limb support are

A

IC/LR, preswing

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14
Q

stance phase

A

60%
IC
LR
midstance
terminal stance
preswing

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15
Q

swing phase

A

40%
initial swing
midswing
terminal swing

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16
Q

weight acceptance phases are

A

initial contact and loading response

17
Q

single limb support phases are

A

midstance
terminal stance (and swing phases)

18
Q

swing limb advancement phases are

A

preswing
initial swing
midswing
terminal swing

19
Q

during terminal stance, the weight is shifted towards

A

forefoot (heel lifts)

20
Q

when does weight shift to opposite limb?

A

preswing (toe begins to come off floor, other foot IC)

21
Q

swing phase acceleration occurs during

A

initial swing (thigh comes forward)

22
Q

when is the swing foot parallel to the floor?

A

midswing
knee starts extending

23
Q

when is swing phase deceleration?

A

terminal swing
*upward portion of swing that ends with heel contact
*knee extends to prep for IC

24
Q

when R leg is in IC, other leg is in

A

preswing

25
Q

when R leg is in LR, other leg is in

A

preswing

26
Q

when R leg is in midstance, other leg is in

A

initial and mid swing

27
Q

when R leg is in terminal stance, other leg is in

A

terminal swing

28
Q

when R leg is in preswing, other leg is in

A

IC/LR

29
Q

when R leg is in initial swing/midswing, other leg is in

A

midstance

30
Q

when R leg is in terminal swing, other leg is in

A

terminal stance

31
Q
A