Normal Gait

Question 1

gait cycle

Answer 1

initial heel contact of one foot to heel contact of the same foot

Question 2

stride

Answer 2

synonymous with a gait cycle

Question 3

step

Answer 3

sequence of events that occurs within heel contacts of opposite feet

Question 4

stride length

Answer 4

distance btw 2 successive heel contacts of same foot

Question 5

what is normal stride length

Answer 5

1.51 m for males and 1.32 m for females

Question 6

step length

Answer 6

distance btw successive heel contacts of 2 different feet

Question 7

what is degree of toe out

Answer 7

angle btw line of progression of the body and a line intersecting the center of the heel and second toe

Question 8

what is normal degrees of toe out

Answer 8

5-7

Question 9

step width

Answer 9

lateral distance btw heel centers of 2 consecutive foot contacts

Question 10

what is average step width

Answer 10

7-10 cm

Question 11

stride time

Answer 11

time for a full gait cycle

Question 12

step time

Answer 12

time for completion of a R or a L step

Question 13

cadence

Answer 13

number of steps per minute (step rate)

Question 14

what is normal cadence

Answer 14

108 steps/min for males

118 steps/min for females

Question 15

spatial-temporal discriptor

Answer 15

best & most functional measurement of individuals walking ability

walking speed, m/s or mph
distance covered in a given amount of time

Question 16

what is normal walking speed

Answer 16

1.37 m/s for males & 1.30 m/s for females

3 mph

Question 17

what percentage do you spend in stance phase

Answer 17

60%

Question 18

what percentage do you spend in swing phase

Answer 18

40%

Question 19

what percentage do you spend in single limb support

Answer 19

80%

Question 20

what percentage do you spend in double limb support

Answer 20

20%

Question 21

what percentage do you spend in stance phase while running

Answer 21

30%

Question 22

what percentage do you spend in swing phase while running

Answer 22

70%

Question 23

what percentage do you spend in single support phase while running

Answer 23

60%

Question 24

what percentage do you spend in float period while running

Answer 24

40%

Question 25

what percentage do you spend in double support phase while running

Answer 25

0%

Question 26

what are the 3 functional tasks of gait

Answer 26

weight acceptance single limb support swing limb advancement

Question 27

weight acceptance includes

Answer 27

initial contact loading response forward progression, stability, shock absorption

Question 28

single limb support includes

Answer 28

mid stance terminal stance stability, forward progression

Question 29

swing limb advancement includes

Answer 29

pre-swing initial swing mid swing terminal swing foot clearance, limb advancement

Question 30

what is the best way to visualize displacement of CoM

Answer 30

by tracking the displacement of head and torso

Question 31

in gait, where is CoM displaced?

Answer 31

forward direction vertical direction side to side direction

Question 32

how is vertical displacement best viewed

Answer 32

from the side

Question 33

where is CoM at the lowest point

Answer 33

at midpoint of both periods of double limb support

Question 34

where is CoM at the highest point

Answer 34

at the midpoint of both periods of single limb support

Question 35

what is total vertical displacement

Answer 35

approximately 5 cm

Question 36

what is side to side displacement

Answer 36

shifts from R to L

Question 37

when does maximum shift to the R occur

Answer 37

at the end of midstance if the R leg is the reference point for the gait cycle

Question 38

when does maximum shift to the L occur if your R leg is your reference leg

Answer 38

during midswing of the R leg

Question 39

what is total side to side displacement

Answer 39

4 cm