한국운동역학회지 (Korean Journal of Applied Biomechanics)

  • 제23권4호
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  • Pages.377-385
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  • 2013
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  • 1226-2226(pISSN)
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  • 2093-9752(eISSN)
한국운동역학회 (Korean Society of Applied Biomechanics)
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미끄럼방지 노인화에 대한 생체역학적 분석

Biomechanical Analysis of the Non-slip Shoes for Older People

  • 이은영 (부산외국어대학교 체육학부) ;
  • 손지훈 (서울시립대학교 도시노인건강운동연구소) ;
  • 양정훈 (국민대학교 체육학부) ;
  • 이기광 (국민대학교 체육학부) ;
  • 곽창수 (한림대학교 체육학부)
  • Lee, Eun-Young (Division of Physical Education, Busan University of Foreign Studies) ;
  • Sohn, Jee-Hoon (Institute of Health and Exercise for senior citizens, University of Seoul) ;
  • Yang, Jeong-Hoon (Division of Physical Education, Kookmin University) ;
  • Lee, Ki-Kwang (Division of Physical Education, Kookmin University) ;
  • Kwak, Chang-Soo (Division of Physical Education, Hallym University)
  • 투고 : 2013.11.07
  • 심사 : 2013.12.19
  • 발행 : 2013.12.31
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초록

Fall is very fatal accident causes death to older people. Shoe may affect to fall. Shoe influences risk of slips, trips, and falls by altering somatosensory feedback to the foot. The purpose of this study was to investigate the analysis of non-slip shoes for older people and influence on older people's lower extremity. For this study twenty three healthy older people were recruited. Each subjects walked over slippery surfaces (COF 0.08). Four pairs of non-slip shoes (shoe A had the greatest COF, 0.23 while shoe B, C, and D had smaller COF relatively) for older people were selected and tested mechanical and biomechanical experiment. For data collection motion capture and ground reaction forces were synchronized. There were statistically significant differences for slip-displacement, coefficient of friction, braking force, propulsion force, knee range of motion and knee joint stiffness by shoes. It was concluded that shoe A was the best for non-slip function because of the lowest slip displacement, the highest braking and propulsion forces, and the highest mechanical and biomechanical coefficient of friction where as shoe B, C, D were identified as a negative effect on the knee joint than shoe A. To prevent fall and slip, older people have to take a appropriate non-slip shoes such as shoe A.

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