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정상족과 편평족의 Arch Support 사용에 따른 운동역학적 분석

Biomechanical Analysis of Arch Support Devices on Normal and Low Arch

  • 박승범 (신발산업진흥센터 성능평가지원팀) ;
  • 박재영 (동의대학교 예체능대학 레져스포츠학과) ;
  • 김경훈 (경성대학교 대학원 체육학과)
  • Park, Seung-Bum (Footwear Biomechanics Team, Footwear Industrial Promotion Center) ;
  • Park, Jae-Young (Department of Leisure Sports, College of Sposts Science, Dong-Eui University) ;
  • Kim, Kyung-Hun (Department of Physical Education, Graduate School of Kyungsung University)
  • 발행 : 2010.03.31

초록

The purpose of this study was to the kinetic variables effects from the use of arch support inserts on low-arched people. We selected 10 people for the research and separated them into 2 groups, 5 people for the normal arched group and 5 people for the low arched group. Each group wear shoes which have a 3 step convertible arch support (level 0, level 2, level 5) and we measured their foot pressure and 3D motion analysis data. As a result, we found that the mean pressure at the heel of the low arched group was decreased when using the arch supports. The arch support induced the correct grounding area for the foot and dispersion of foot pressure. 3D motion analysis found that as the height of the arch support was increased, the movement of the Y-axis(inversion-eversion) was increased to relieve the shock to the heel. The arch support insert limited the range of motion(ROM) of the Z-axis(abduction-adduction) of the low arched person's ankle joint and prevented ankle injury caused by the excessive eversion when walking. Low arched people are seen to be easily tired due to the ineffective shock absorption of the knees and abnormal walking motion. In order to improve the problems, a 3 step convertible arch support(level 5) insert would improve the low-arched people's walking ability. In other words, the low arched people should be expected to walk as well as normal arched people when they wear shoes with the arch support insert.

키워드

참고문헌

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