Korean Journal of Applied Biomechanics (한국운동역학회지)

Korean Society of Applied Biomechanics (한국운동역학회)
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The Effect of Form and Hardness of Outsoles on the Motion of the Lower Extremity Joints and on Foot Pressure during Gait

보행 시 신발의 아웃솔 형태가 하지 관절 운동과 발의 압력에 미치는 영향

  • Kim, Eui-Hwan (Department of Judo, College of Martial Art, Yongin University) ;
  • Kim, Sung-Sup (Sports & Wellness Research Center, Yongin University) ;
  • Kwon, Moon-Seok (Sports & Wellness Research Center, Yongin University) ;
  • Wi, Ung-Ryang (Sports & Wellness Research Center, Yongin University) ;
  • Lim, Jung (Department of Practical Physical Education, Kyungmin University) ;
  • Chung, Chae-Wook (R&D Center, Ryn Korea)
  • 김의환 (용인대학교 무도대학 유도학과) ;
  • 김성섭 (용인대학교 스포츠.웰니스연구센터) ;
  • 권문석 (용인대학교 스포츠.웰니스연구센터) ;
  • 위웅량 (용인대학교 스포츠.웰니스연구센터) ;
  • 임정 (경민대학교 생활체육과) ;
  • 정재욱 (린코리아 연구개발센터)
  • Received : 2011.04.29
  • Accepted : 2011.06.22
  • Published : 2011.06.30
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Abstract

The purpose of this study was to analysis the effect of form and hardness of outsoles on the motion of the lower extremity joints and on foot pressure during gait. The subjects were 15 women(mean age, $48.5{\pm}2.4$ years), who had no serious musculoskeletal, coordination, balance or joint/ligament problems within 1 year prior to the study. The pelvic tilt, joint angles at the lower extremities and the vertical ground reaction force(GRF) were compared during gait with 3 types of shoes (A, B, C) by using one-way repeated ANOVA(p<.05). During gait, the peak tilt angle and the range of motion(ROM) of the ankle and knee joints were found to be significantly different among the 3 types of shoes. The type C shoes showed a significantly lower mean second maximum vertical GRF than types A and B. The curved outsoles of type C shoes, which had a form and hardness different from those of A and B, was designed strategically for walking shoes to provide stability to the Additionally, type C induced the dispersion of eccentric pressure and made the center of pressure roll over to the center line of the foot.

Keywords

References

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