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논문 기본 정보

자료유형
학술저널
저자정보
Park, Sang Kyoon (Department of Physical Education, College of Sport Science of Korea National Sport University) Ryu, Sihyun (Motion Innovation Centre, Korea National Sport University) Kim, Jongbin (Motion Innovation Centre, Korea National Sport University) Yoon, Sukhoon (Department of Community Sport, Korea National Sport University) Ryu, Jiseon (Department of Health and Exercise Science, College of Lifetime Sport of Korea National Sport University)
저널정보
한국운동역학회 한국운동역학회지 한국운동역학회지 제29권 제2호
발행연도
2019.1
수록면
113 - 119 (7page)

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Objective: The purpose of this study was to investigate the effect of the falls on the center of pressure (CoP) complexity during gait using non-linear approximate entropy (ApEn). Method: 20 elderly women with experience of falling ($age=72.55{\pm}5.42yrs$; $height=154.40{\pm}4.26cm$; $body\;weight=57.40{\pm}6.21kg$; $preferred\;gait\;speed=0.52{\pm}0.17m/s$) and 20 elderly women with no experience of falling ($age=71.90{\pm}2.90yrs$; $height=155.28{\pm}4.73cm$; $body\;weight=56.70{\pm}5.241kg$; $preferred\;gait\;speed=0.56{\pm}0.13m/s$) were recruited for the study. While they were walking at their preferred gait speed on a treadmill (instrumented dual belt treadmills, Bertec, USA) with a force plate CoP data were collected for the 20 strides. The complexity of the CoP was analyzed using the ApEn technique. Results: The ApEn of the medial-lateral CoP in the fallers showed smaller about 16% compared to the non-fallers (p<.05). The ApEn of the antero-posterior CoP of the fallers showed smaller about 12% compared to the non-fallers, but the difference was not statistically significant. Conclusion: Based on the results of this study, the reduction of the medio-lateral CoP complexity in the elderly gait would be an index to determine the potential fall.

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