한국정밀공학회지 (Journal of the Korean Society for Precision Engineering)

  • 제25권10호
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  • Pages.130-136
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  • 2008
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  • 1225-9071(pISSN)
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  • 2287-8769(eISSN)
한국정밀공학회 (Korean Society for Precision Engineering)
권호 표지

트레드밀 보행시 여성의 주요 관절 운동에 대한 카오스 분석

Chaos Analysis of Major Joint Motions for Women during Treadmill Walking

  • 김민경 (부산대학교 대학원 기계설계공학과) ;
  • 손권 (부산대학교 기계기술연구원) ;
  • 박정홍 (부산대학교 대학원 기계설계공학과) ;
  • 서국웅 (부산대학교 체육교육과) ;
  • 박영훈 (부산대학교 체육교육과)
  • Kim, Min-Kyoung (Department of Mechanical Design Engineering, Pusan National Univ.) ;
  • Son, Kwon (Research Institute of Mechanical Technology, Pusan National Univ.) ;
  • Park, Jung-Hong (Department of Mechanical Design Engineering, Pusan National Univ.) ;
  • Seo, Kuk-Woong (Department of Physical, Pusan National Univ.) ;
  • Park, Young-Hoon (Department of Physical, Pusan National Univ.)
  • 발행 : 2008.10.01
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초록

The purpose of this study was to investigate chaotic characteristics of major joint motions during treadmill walking. Gait experiments were carried out for 20 healthy young women. The subjects were asked to walk on a treadmill at their own natural speeds. The chaos analysis was used to quantify nonlinear motions of eleven major joints of each woman. The joints analyzed included the neck and the right and left shoulders, elbows, hips, knees and ankles. The recorded gait patterns were digitized and then coordinated by motion analysis software. Lyapunov exponent for every joint was calculated to evaluate joint characteristics from a state space created by time series and its embedding dimension. This study shows that differences in joint motion were statistically significant.

키워드

참고문헌

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