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논문 기본 정보

저자정보
(영남대학교)
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한국체육과학회 한국체육과학회지 한국체육과학회지 제25권 제1호 (자연과학 편)
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    초록·키워드

    The aim of the study was to propose a practical metric which can quantify the footfall placement variability(FPV). The COP data were collected using a 4 m electronic walkway(GAITRite). The coordinate of COP data was fit with Fourier series. The average values of FPV were compared through one way ANOVA for four age groups. The average values of Functional Ambulation Profile score(FAP) were also compared among 4 groups. The proposed parameters also estimated a linear regression equation between the age and FPV. The partial correlation measures the degree of association between age and FPV with the effect of a set of controlling gait speed. Overall, there is a tendency that older adults had greater spatial variability than younger adults. Partial correlation was stronger between age and FPV than between age and FAP. Especially, the FPV was dramatically increased in people approaching the age of 60(p<.001). This finding highlights that footfall place variability could be not only be convenient enough but also evaluate the decline of gait function which caused by aging. Future works determining the sensitivity of footfall placement variability to dysfunctionality from various movement disorder are warranted.

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      UCI(KEPA) : I410-ECN-0101-2016-692-002631564