GAIT 1

Question 1

definition of gait

Answer 1

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

Question 2

lower extremities support what % of body weight?

Answer 2

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

Question 3

5 tasks of gait

Answer 3

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

Question 4

1 year gait

Answer 4

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

Question 5

18 months gait

Answer 5

more natural, heel strike, arm swing
may run

Question 6

2-3 year old gait

Answer 6

normal BOS
walk on tip toes, hop

Question 7

7 year old gait

Answer 7

normal like adolts

Question 8

adolescent gate

Answer 8

gait parameters stabilize once growth tapers

Question 9

gait initiation from standing: initiates what muscles?

Answer 9

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

Question 10

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

Answer 10

coronal torque

Question 11

gait initiation lasts

Answer 11

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

Question 12

What are phases of gait?

Answer 12

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

Question 13

2 periods of double limb support are

Answer 13

IC/LR, preswing

Question 14

stance phase

Answer 14

60%
IC
LR
midstance
terminal stance
preswing

Question 15

swing phase

Answer 15

40%
initial swing
midswing
terminal swing

Question 16

weight acceptance phases are

Answer 16

initial contact and loading response

Question 17

single limb support phases are

Answer 17

midstance
terminal stance (and swing phases)

Question 18

swing limb advancement phases are

Answer 18

preswing
initial swing
midswing
terminal swing

Question 19

during terminal stance, the weight is shifted towards

Answer 19

forefoot (heel lifts)

Question 20

when does weight shift to opposite limb?

Answer 20

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

Question 21

swing phase acceleration occurs during

Answer 21

initial swing (thigh comes forward)

Question 22

when is the swing foot parallel to the floor?

Answer 22

midswing
knee starts extending

Question 23

when is swing phase deceleration?

Answer 23

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

Question 24

when R leg is in IC, other leg is in

Answer 24

preswing

Question 25

when R leg is in LR, other leg is in

Answer 25

preswing

Question 26

when R leg is in midstance, other leg is in

Answer 26

initial and mid swing

Question 27

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

Answer 27

terminal swing

Question 28

when R leg is in preswing, other leg is in

Answer 28

IC/LR

Question 29

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

Answer 29

midstance

Question 30

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

Answer 30

terminal stance