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Relationship of Shoe Wetness to Mechanical Performance.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Relationship of Shoe Wetness to Mechanical Performance./
作者:	Crawford, Sara Lyn.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2021,
面頁冊數:	53 p.
附註:	Source: Masters Abstracts International, Volume: 83-04.
Contained By:	Masters Abstracts International83-04.
標題:	Biomechanics. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=28413271
ISBN:	9798460409198

Relationship of Shoe Wetness to Mechanical Performance.
Crawford, Sara Lyn.

Relationship of Shoe Wetness to Mechanical Performance. - Ann Arbor : ProQuest Dissertations & Theses, 2021 - 53 p.

Source: Masters Abstracts International, Volume: 83-04.

Thesis (M.Sc.)--University of Nevada, Las Vegas, 2021.

This item must not be sold to any third party vendors.

The purpose of this study was to mechanically impact test shoes that underwent both saturation and repetitive loading protocols to determine if these interventions affected the impact absorption and energy return properties of a shoe. Six pairs of the same make and model of shoe were divided into Control and Experimental Groups and tested on an impact machine before and after undergoing a protocol. The repetitive load protocol involved subjecting the shoes to impacts commensurate with a 5 km race. The water saturation protocol involved soaking the shoes until reaching their maximum saturation. The Control shoes underwent initial testing and post-repetitive load testing. The Experimental shoes underwent initial testing, post-water saturation testing, and post-repetitive load testing while water saturated. Dependent Variables (peak force, peak acceleration, maximum displacement, dwell time, energy absorption, hysteresis energy ratio) were compared using a two-way mixed Analysis of Variance (ANOVA) for the Independent Variables of shoe group (two levels - control and experimental) and repetitive loading (two levels - initial and post repetitive loading). The same Dependent Variables were compared using a one-way repeated measures ANOVA for the Independent Variable of time (initial, post-saturation, post-repetitive loading) in the Experimental Group. It was determined that energy return (energy absorption, hysteresis energy ratio) was influenced by water saturation (p 0.05) or the interaction of water saturation and repetitive loading (p > 0.05). Impact protection was not influenced by any of the conditions. Runners should be aware that wet shoes may be harder to run in and make efforts to avoid saturation.

ISBN: 9798460409198Subjects--Topical Terms:

548685
Biomechanics.
Subjects--Index Terms:

Energy return

Relationship of Shoe Wetness to Mechanical Performance.
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500 $a Source: Masters Abstracts International, Volume: 83-04.
500 $a Advisor: Mercer, John.
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520 $a The purpose of this study was to mechanically impact test shoes that underwent both saturation and repetitive loading protocols to determine if these interventions affected the impact absorption and energy return properties of a shoe. Six pairs of the same make and model of shoe were divided into Control and Experimental Groups and tested on an impact machine before and after undergoing a protocol. The repetitive load protocol involved subjecting the shoes to impacts commensurate with a 5 km race. The water saturation protocol involved soaking the shoes until reaching their maximum saturation. The Control shoes underwent initial testing and post-repetitive load testing. The Experimental shoes underwent initial testing, post-water saturation testing, and post-repetitive load testing while water saturated. Dependent Variables (peak force, peak acceleration, maximum displacement, dwell time, energy absorption, hysteresis energy ratio) were compared using a two-way mixed Analysis of Variance (ANOVA) for the Independent Variables of shoe group (two levels - control and experimental) and repetitive loading (two levels - initial and post repetitive loading). The same Dependent Variables were compared using a one-way repeated measures ANOVA for the Independent Variable of time (initial, post-saturation, post-repetitive loading) in the Experimental Group. It was determined that energy return (energy absorption, hysteresis energy ratio) was influenced by water saturation (p 0.05) or the interaction of water saturation and repetitive loading (p > 0.05). Impact protection was not influenced by any of the conditions. Runners should be aware that wet shoes may be harder to run in and make efforts to avoid saturation.
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