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Altered Gait Adaptation and Inter-Li...

Sado, Takashi.

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Altered Gait Adaptation and Inter-Limb Coordination During Passive Exoskeleton Assisted Walking and Induced Gait Asymmetry.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Altered Gait Adaptation and Inter-Limb Coordination During Passive Exoskeleton Assisted Walking and Induced Gait Asymmetry./
Author:	Sado, Takashi.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2019,
Description:	118 p.
Notes:	Source: Masters Abstracts International, Volume: 80-11.
Contained By:	Masters Abstracts International80-11.
Subject:	Neurosciences. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=13859842
ISBN:	9781392098103

Altered Gait Adaptation and Inter-Limb Coordination During Passive Exoskeleton Assisted Walking and Induced Gait Asymmetry.
Sado, Takashi.

Altered Gait Adaptation and Inter-Limb Coordination During Passive Exoskeleton Assisted Walking and Induced Gait Asymmetry. - Ann Arbor : ProQuest Dissertations & Theses, 2019 - 118 p.

Source: Masters Abstracts International, Volume: 80-11.

Thesis (M.S.)--University of Nebraska at Omaha, 2019.

This item must not be added to any third party search indexes.

Background and purpose: Exoskeletons can provide assistance during walking, and potentially help those with gait deficits. Previously it was found that exoskeletons can alter gait adaption characteristics during split-belt walking tasks. Additionally, passive exoskeletons can reduce the duration and repeatability of inter-limb coordination. However, the weight of the device and its effect on walking has been ignored thus far. Therefore, the purpose of this study was to examine how the weight of an exoskeleton can affect gait adaptation and inter-limb coordination. Methods: Healthy young participants were assigned to either a unilateral exoskeleton group, unilateral limb loading group, bilateral-limb loading group, or control group. All groups then performed a split-belt adaptation task. Symmetry indices of spatiotemporal variables were calculated. The evolution of inter-limb coordination was examined using nonlinear tools, specifically, cross-recurrence quantification analysis and cross-sample entropy. Results: Different manipulations affected gait adaptation characteristics, specifically in temporal components of gait in all four groups. Entropy values were significantly higher in the unilateral and the bilateral limb loading group compared to the exoskeleton group. Conclusion: Our results indicate that the passive exoskeleton changes gait patterns not only by providing assistance while walking, but also because of the weight it adds to the limb.

ISBN: 9781392098103Subjects--Topical Terms:

588700
Neurosciences.

Altered Gait Adaptation and Inter-Limb Coordination During Passive Exoskeleton Assisted Walking and Induced Gait Asymmetry.
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100 1 $a Sado, Takashi. $3 3435918
245 1 0 $a Altered Gait Adaptation and Inter-Limb Coordination During Passive Exoskeleton Assisted Walking and Induced Gait Asymmetry.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2019
300 $a 118 p.
500 $a Source: Masters Abstracts International, Volume: 80-11.
500 $a Publisher info.: Dissertation/Thesis.
500 $a Advisor: Mukherjee, Mukul.
502 $a Thesis (M.S.)--University of Nebraska at Omaha, 2019.
506 $a This item must not be added to any third party search indexes.
506 $a This item must not be sold to any third party vendors.
520 $a Background and purpose: Exoskeletons can provide assistance during walking, and potentially help those with gait deficits. Previously it was found that exoskeletons can alter gait adaption characteristics during split-belt walking tasks. Additionally, passive exoskeletons can reduce the duration and repeatability of inter-limb coordination. However, the weight of the device and its effect on walking has been ignored thus far. Therefore, the purpose of this study was to examine how the weight of an exoskeleton can affect gait adaptation and inter-limb coordination. Methods: Healthy young participants were assigned to either a unilateral exoskeleton group, unilateral limb loading group, bilateral-limb loading group, or control group. All groups then performed a split-belt adaptation task. Symmetry indices of spatiotemporal variables were calculated. The evolution of inter-limb coordination was examined using nonlinear tools, specifically, cross-recurrence quantification analysis and cross-sample entropy. Results: Different manipulations affected gait adaptation characteristics, specifically in temporal components of gait in all four groups. Entropy values were significantly higher in the unilateral and the bilateral limb loading group compared to the exoskeleton group. Conclusion: Our results indicate that the passive exoskeleton changes gait patterns not only by providing assistance while walking, but also because of the weight it adds to the limb.
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