US2022126191A1PendingUtilityA1
Gait training using a combination of rehabilitation therapies and feedback
Est. expiryOct 26, 2040(~14.2 yrs left)· nominal 20-yr term from priority
A61B 5/112A61B 5/1126A61B 2505/09A61B 5/486A61B 5/1121A61B 2562/0204A61B 5/7415A63B 2220/22A63B 22/0292A63B 2220/52A63B 2220/62A63B 2071/0625A63B 2220/24A63B 24/0062A63B 2220/803A63B 2220/807A63B 71/0622A63B 2214/00A63B 71/0686A61B 5/7405A63B 2024/0093A63B 2022/0094
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Claims
Abstract
A method, apparatus, or system for reducing gait asymmetry is disclosed. The method, apparatus, or system may include measuring one or more gait parameters of an individual; calculating a joint metric based on the measured one or more gait parameters; and signaling an adjustment of an amount of one or more perturbation techniques based on the joint metric for reducing asymmetry in a gait pattern of the individual. The one or more perturbation techniques include asymmetric rhythmic auditory cueing making a first audible cue with a first cue duration for one leg of the individual and a second audible cue with a second cue duration for another leg of the individual. Here, the first cue duration is different from the second cue duration. Other aspects, embodiments, and features are also claimed and described.
Claims
exact text as granted — not AI-modified1 . A method for reducing gait asymmetry comprising:
measuring one or more gait parameters of an individual; calculating a joint metric based on the measured one or more gait parameters; and signaling an adjustment of an amount of one or more perturbation techniques based on the joint metric for reducing asymmetry in a gait pattern of the individual, wherein one or more perturbation techniques comprise asymmetric rhythmic auditory cueing making a first audible cue with a first cue duration for one leg of the individual and a second audible cue with a second cue duration for another leg of the individual, the first cue duration being different from the second cue duration.
2 . The method of claim 1 , wherein the signaling the adjustment is real-time feedback to measure the one or more gait parameters.
3 . The method of claim 1 , wherein the one or more gait parameters comprise at least one of: a spatiotemporal gait parameter, a kinetic gait parameter, or a force gait parameter.
4 . The method of claim 1 , wherein the spatiotemporal gait parameter comprises at least one of: a step length of the individual, a step time of the individual, a double limb support time of the individual, a stance time of the individual, or a swing time of the individual.
5 . The method of claim 1 , wherein the kinetic gait parameter comprises at least one of: a hip angle of the individual, a knee angle of the individual, or an ankle angle of the individual.
6 . The method of claim 1 , wherein the force gait parameter comprises at least one of: a vertical force of the individual, a braking force of the individual, or a push-off force of the individual.
7 . The method of claim 1 , wherein the measuring one or more gait parameters comprises measuring the one or more gait parameters for a predetermined period of time using at least one of a force plate or a motion capture camera.
8 . The method of claim 1 , wherein the joint metric is calculated by incorporating the measured one or more gait parameters for indicating an incorporated level of asymmetry in the gait pattern of the individual.
9 . The method of claim 1 , further comprising:
iterating the measuring the one or more gait parameters of an individual, the calculating the joint metric based on the measured one or more gait parameters, and the signaling the adjustment of the amount of one or more perturbation techniques based on the joint metric.
10 . The method of claim 1 , wherein the one or more perturbation techniques applies physical properties of the individual or external manipulations that affect the one or more gait parameters.
11 . The method of claim 1 , wherein the one or more perturbation techniques further comprises at least one of:
changing weight one foot adding weight to a leg of the individual; changing height on foot adding height to a leg of the individual; laterally pulling at hip laterally pulling at a hip of the individual; anteriorly pulling on foot anteriorly pulling on a leg of the individual; or training with a split-belt treadmill having different speeds for two treads.
12 . The method of claim 1 , wherein the one or more gait parameters further comprise a gait perception parameter for the gait pattern of the individual.
13 . The method of claim 12 , wherein the gait perception parameter is a weight parameter.
14 . The method of claim 1 , wherein the one or more perturbation techniques further comprises performing split-belt treadmill having different speeds for two treads, and
wherein the signaling the adjustment comprises simultaneously signaling a first adjustment of the asymmetric rhythmic auditory cueing and a second adjustment of split-belt treadmill training.
15 . The method of claim 14 , wherein the first adjustment of the asymmetric rhythmic auditory cueing is an auditory cueing ratio of 2:1, and
wherein the second adjustment of split-belt treadmill training is a split-belt ratio of 2:1.
16 . A method for reducing gait asymmetry comprising:
measuring a left step gait parameter and a right step gait parameter; measuring an average of the left and right step gait parameters for a predetermined period of time; calculating a left leg long percentage based on the left gait parameter, the right gait parameter, and the average; comparing the left leg long percentage with a predetermined left leg long percentage; and signaling an adjustment of amounts of asymmetry based on the compared left leg long percentage.
17 . The method of claim 16 , wherein the signaling the adjustment of amounts of asymmetry comprising signaling the adjustment of amounts of tread speeds based on the compared left leg long percentage for two corresponding treads of a treadmill.
18 . The method of claim 17 , wherein the signaling the adjustment is real-time feedback to measure the left gait parameter and right gait parameter and measure the average.
19 . The method of claim 17 , wherein the left leg long percentage is calculated by:
the
left
leg
long
percentage
=
the
left
gait
parameter
-
the
right
gait
parameter
the
average
×
1
0
0
.
20 . The method of claim 17 , wherein a ratio of the amounts of asymmetry for two corresponding treads is between a split-belt ratio of 5:1 and 1:5.
21 . The method of claim 16 , wherein the signaling the adjustment of amounts of asymmetry comprising signaling the adjustment of cue duration based on the compared left leg long percentage for two corresponding times between cues.
22 . The method of claim 21 , wherein a ratio of the amounts of times for two corresponding cues is between a cue ratio of 5:1 and 1:5.
23 . An apparatus for reducing gait asymmetry, comprising:
a processor; and a memory communicatively coupled to the processor, wherein the processor and the memory are configured to:
measure one or more gait parameters of an individual;
calculate a joint metric based on the measured one or more gait parameters; and
signal an adjustment of an amount of one or more perturbation techniques based on the joint metric for reducing asymmetry in a gait pattern of the individual, wherein one or more perturbation techniques comprise asymmetric rhythmic auditory cueing making a first audible cue with a first cue duration for one leg of the individual and a second audible cue with a second cue duration for another leg of the individual, the first cue duration being different from the second cue duration.
24 . The apparatus of claim 23 , wherein the signaling the adjustment is real-time feedback to measure the one or more gait parameters.
25 . The apparatus of claim 23 , wherein the one or more gait parameters comprise at least one of: a spatiotemporal gait parameter, a kinetic gait parameter, or a force gait parameter.
26 . The apparatus of claim 23 , wherein the spatiotemporal gait parameter comprises at least one of: a step length of the individual, a step time of the individual, a double limb support time of the individual, a stance time of the individual, or a swing time of the individual.
27 . The apparatus of claim 23 , wherein the kinetic gait parameter comprises at least one of: a hip angle of the individual, a knee angle of the individual, or an ankle angle of the individual.
28 . The apparatus of claim 23 , wherein the force gait parameter comprises at least one of: a vertical force of the individual, a braking force of the individual, or a push-off force of the individual.
29 . The apparatus of claim 23 , wherein the measuring one or more gait parameters comprises measuring the one or more gait parameters for a predetermined period of time using at least one of a force plate or a motion capture camera.
30 . The apparatus of claim 23 , wherein the joint metric is calculated by incorporating the measured one or more gait parameters for indicating an incorporated level of asymmetry in the gait pattern of the individual.
31 . The apparatus of claim 23 , wherein the processor and the memory are further configured to:
iterate the measuring the one or more gait parameters of an individual, the calculating the joint metric based on the measured one or more gait parameters, and the signaling the adjustment of the amount of one or more perturbation techniques based on the joint metric.
32 . The apparatus of claim 23 , the one or more perturbation techniques applies physical properties of the individual or external manipulations that affect the one or more gait parameters.
33 . The apparatus of claim 23 , wherein the one or more perturbation techniques further comprises at least one of:
changing weight one foot adding weight to a leg of the individual; changing height on foot adding height to a leg of the individual; laterally pulling at hip laterally pulling at a hip of the individual; anteriorly pulling on foot anteriorly pulling on a leg of the individual; or training with a split-belt treadmill having different speeds for two treads.
34 . The apparatus of claim 23 , wherein the one or more gait parameters further comprise a gait perception parameter for the gait pattern of the individual.
35 . The apparatus of claim 34 , wherein the gait perception parameter is a weight parameter.
36 . The apparatus of claim 23 , wherein the one or more perturbation techniques further comprises performing split-belt treadmill having different speeds for two treads, and
wherein the signaling the adjustment comprises simultaneously signaling a first adjustment of the asymmetric rhythmic auditory cueing and a second adjustment of split-belt treadmill training.
37 . The apparatus of claim 36 , wherein the first adjustment of the asymmetric rhythmic auditory cueing is an auditory cueing ratio of 2:1, and
wherein the second adjustment of split-belt treadmill training is a split-belt ratio of 2:1.
38 . An apparatus for reducing gait asymmetry, comprising:
a processor; and a memory communicatively coupled to the processor, wherein the processor and the memory are configured to:
measure a left gait parameter and a right gait parameter;
measure an average of the left and right step gait parameters for a predetermined period of time;
calculate a left leg long percentage based on the left gait parameter, the right gait parameter, and the average;
compare the left leg long percentage with a predetermined left leg long percentage; and
signal an adjustment of amounts of asymmetry for two corresponding treads of a treadmill based on the compared left leg long percentage.
39 . The apparatus of claim 38 , wherein the signaling the adjustment of amounts of asymmetry comprising signaling the adjustment of amounts of tread speeds based on the compared left leg long percentage for two corresponding treads of a treadmill.
40 . The apparatus of claim 39 , wherein the signaling the adjustment is real-time feedback to measure the left gait parameter and right gait parameter and measure the average.
41 . The apparatus of claim 39 , wherein the left leg long percentage is calculated by:
the
left
leg
long
percentage
=
the
left
gait
parameter
-
the
right
gait
parameter
the
average
×
1
0
0
.
42 . The apparatus of claim 39 , wherein a ratio of the amounts of asymmetry for two corresponding treads is between a split-belt ratio of 5:1 and 1:5.
43 . The apparatus of claim 38 , wherein the signaling the adjustment of amounts of asymmetry comprising signaling the adjustment of cue duration based on the compared left leg long percentage for two corresponding times between cues.
44 . The apparatus of claim 43 , wherein a ratio of the amounts of times for two corresponding cues is between a cue ratio of 5:1 and 1:5.Join the waitlist — get patent alerts
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