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Effects of external physical assisti...

Sansom, Jennifer K.

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Effects of external physical assistive devices on gait.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Effects of external physical assistive devices on gait./
Author:	Sansom, Jennifer K.
Description:	322 p.
Notes:	Source: Dissertation Abstracts International, Volume: 75-01(E), Section: B.
Contained By:	Dissertation Abstracts International75-01B(E).
Subject:	Health Sciences, Recreation. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3595466
ISBN:	9781303412394

Effects of external physical assistive devices on gait.
Sansom, Jennifer K.

Effects of external physical assistive devices on gait. - 322 p.

Source: Dissertation Abstracts International, Volume: 75-01(E), Section: B.

Thesis (Ph.D.)--University of Michigan, 2013.

Assistive devices (ADs) are often used by rehabilitation professionals to help individuals walk independently. When using ADs, individuals show observable changes in their walking pattern. However, little research exists objectively documenting the acute, real-time changes in gait that occur despite the significant influence these devices exert on an individual's movement. Understanding the acute changes in movement that occur with use of an AD is a very important component in the decision-making process for rehabilitation professionals who recommend and, often, provide ADs to patients in the hospital or clinic to foster patient compliance and thus, safety. This series of research studies examining external AD use are the first to quantitatively and qualitatively report both overt and underlying acute changes in gait for two unique populations: children with myelomeningocele (MMC) and typically developing (TD) infants learning to cruise. Overall, our results showed that use of ADs caused changes in gait patterns of children with MMC and TD infants. For children with MMC walking with rigid ADs compared to independently, changes were found in not only basic gait characteristics, but muscle activation patterns, and energy consumption. However, for TD infants wearing a flexible AD around the hips and pelvis while cruising, gait adaptations were more subtle as evidenced by minimal to no changes in segmental angle trajectories and classic gait parameters. Despite the lack of change in overt gait parameters for infants while cruising in the flexible AD, more apparent adaptations were shown in dynamic representations of cruising behavior (e.g., shifts in state space location for phase plane portrait plots). The studies presented show that these two unique populations, children with MMC and TD infants, have the capacity and flexibility to acutely adapt their motor control strategies, segment coordination, and movement patterns to application of external manipulations. What we don't know is if, over the long-term, these adaptations will result in decreased or increased dependency on ADs. Therefore, further research is warranted to investigate impact of these devices on both overt movement behaviors and underlying control mechanisms before we can determine if use of ADs help or hinder functional mobility.

ISBN: 9781303412394Subjects--Topical Terms:

1018003
Health Sciences, Recreation.

Effects of external physical assistive devices on gait.
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020 $a 9781303412394
035 $a (MiAaPQ)AAI3595466
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100 1 $a Sansom, Jennifer K. $3 2102689
245 1 0 $a Effects of external physical assistive devices on gait.
300 $a 322 p.
500 $a Source: Dissertation Abstracts International, Volume: 75-01(E), Section: B.
500 $a Adviser: Beverly D. Ulrich.
502 $a Thesis (Ph.D.)--University of Michigan, 2013.
520 $a Assistive devices (ADs) are often used by rehabilitation professionals to help individuals walk independently. When using ADs, individuals show observable changes in their walking pattern. However, little research exists objectively documenting the acute, real-time changes in gait that occur despite the significant influence these devices exert on an individual's movement. Understanding the acute changes in movement that occur with use of an AD is a very important component in the decision-making process for rehabilitation professionals who recommend and, often, provide ADs to patients in the hospital or clinic to foster patient compliance and thus, safety. This series of research studies examining external AD use are the first to quantitatively and qualitatively report both overt and underlying acute changes in gait for two unique populations: children with myelomeningocele (MMC) and typically developing (TD) infants learning to cruise. Overall, our results showed that use of ADs caused changes in gait patterns of children with MMC and TD infants. For children with MMC walking with rigid ADs compared to independently, changes were found in not only basic gait characteristics, but muscle activation patterns, and energy consumption. However, for TD infants wearing a flexible AD around the hips and pelvis while cruising, gait adaptations were more subtle as evidenced by minimal to no changes in segmental angle trajectories and classic gait parameters. Despite the lack of change in overt gait parameters for infants while cruising in the flexible AD, more apparent adaptations were shown in dynamic representations of cruising behavior (e.g., shifts in state space location for phase plane portrait plots). The studies presented show that these two unique populations, children with MMC and TD infants, have the capacity and flexibility to acutely adapt their motor control strategies, segment coordination, and movement patterns to application of external manipulations. What we don't know is if, over the long-term, these adaptations will result in decreased or increased dependency on ADs. Therefore, further research is warranted to investigate impact of these devices on both overt movement behaviors and underlying control mechanisms before we can determine if use of ADs help or hinder functional mobility.
590 $a School code: 0127.
650 4 $a Health Sciences, Recreation. $3 1018003
650 4 $a Psychology, Behavioral. $3 1017677
650 4 $a Health Sciences, General. $3 1017817
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690 $a 0384
690 $a 0566
710 2 $a University of Michigan. $b Kinesiology. $3 2102690
773 0 $t Dissertation Abstracts International $g 75-01B(E).
790 $a 0127
791 $a Ph.D.
792 $a 2013
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3595466