Korean Journal of Applied Biomechanics (한국운동역학회지)

Korean Society of Applied Biomechanics (한국운동역학회)
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Comparative Analysis of Foot Pressure Distribution by Functional Insole to be Transformed and Restored During Walking

보행 시 변형 및 복원이 가능한 인솔에 대한 족저압력 비교 분석

  • Park, Seung-Bum (Footwear Biomechanics Team, Footwear Industrial Promotion Center, Busan Economic Promotion Agency) ;
  • Lee, Kyung-Deuk (Footwear Biomechanics Team, Footwear Industrial Promotion Center, Busan Economic Promotion Agency) ;
  • Kim, Dae-Woong (Footwear Biomechanics Team, Footwear Industrial Promotion Center, Busan Economic Promotion Agency) ;
  • Yoo, Jung-Hyeon (Footwear Biomechanics Team, Footwear Industrial Promotion Center, Busan Economic Promotion Agency) ;
  • Kim, Kyung-Hun (Footwear Biomechanics Team, Footwear Industrial Promotion Center, Busan Economic Promotion Agency)
  • 박승범 (부산경제진흥원 신발산업진흥센터 성능평가지원팀) ;
  • 이경득 (부산경제진흥원 신발산업진흥센터 성능평가지원팀) ;
  • 김대웅 (부산경제진흥원 신발산업진흥센터 성능평가지원팀) ;
  • 유중현 (부산경제진흥원 신발산업진흥센터 성능평가지원팀) ;
  • 김경훈 (부산경제진흥원 신발산업진흥센터 성능평가지원팀)
  • Received : 2011.02.25
  • Accepted : 2011.04.12
  • Published : 2011.06.30
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Abstract

The purpose of this study was to analyze the distribution of foot pressure generated by active materials of a functional insole. Comfort is an important consideration while selectingfootwear and insoles. Consequently, it has an influence on injury. The development of new materials for functional insoles is considered one of the more important points for their manufacture. The method adopted in this study is as follows. First, ten healthy males were selected as subjects for the study. Each subject's foof was pre-screened podoscope(Alfoots, Korea) to check for the presence of any foot abnormalities, Two kinds of equipment were used for the study: a foot pressure device from Pedar-X, Germany, and a treadmill from Pulsefitness, UK. Next, each subject was asked to test four types of insoles(insoles of outdoor shoes, indoor shoes, walking shoes, and sports shoes) via walking trials on the treadmill at a constant speed of 4.2 km/h. The pressure distribution data(contact area, maximum force, maximum peak pressure, and maximum mean pressure) was collected using the pressure device at a sampling rate of 100 Hz. Results of the tests showed that all four types of functional insoles increased contact areas whit the foot. Further, functional insoles of walking shoes and sport shoes decreased the foot pressure. From these results, we conclude that the active materials of functional insoles of shoes can increase the contact area and provide greater comfort.

Keywords

References

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