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보행에서 외측 경사진 굽은 밑창이 발목 운동에 미치는 영향 분석

The Effect of a Wedged Rocker Sole on Ankle Joints during Gait

  • 권성혁 (포항공과대학교 산업경영공학과) ;
  • 김충식 (포항공과대학교 산업경영공학과) ;
  • 김희진 (포항공과대학교 산업경영공학과) ;
  • 유태범 (한밭대학교 산업경영공학과) ;
  • 정민근 (포항공과대학교 산업경영공학과)
  • Kwon, Sung-Hyuk (Department of Industrial & Management Engineering, POSTECH) ;
  • Kim, Choong-Sik (Department of Industrial & Management Engineering, POSTECH) ;
  • Kim, Hee-Jin (Department of Industrial & Management Engineering, POSTECH) ;
  • Ryu, Tae-Beum (Department of Industrial & Management Engineering, POSTECH) ;
  • Chung, Min-Geun (Department of Industrial & Management Engineering, POSTECH)
  • 발행 : 2008.09.01

초록

Wedged soles and rocker soles are widespread shoe designs used to prevent the disorders and reduce the pain of the lower extremity caused by arthritis or diabetic feet. In this study, the effect of a shoe with a laterally wedged sole and a rocker sole simultaneously was analyzed on the kinematics and kinetics of the ankle joint during normal walking. Eight male participants without a history of lower extremity disorders were recruited. Each participant performed twenty walking cycles for each of three walking conditions: bare foot, wearing normal shoes and wearing shoes with laterally wedged rocker soles. The differences between the three walking conditions were statistically investigated including spatio-temporal variables, angular displacements, joint moments and ground reaction forces. The results showed that the laterally wedged rocker sole decreased the sagittal variation of angular displacements as well as the frontal/sagittal average moment on the ankle joints compared to the flat sole. In addition, the rate of angular displacements and loading decreased during the heel contact phase.

키워드

참고문헌

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