등산화 아웃솔의 독립적 서스펜션 기능이 발의 안정성 및 부하에 미치는 효과

이기광; 최치선; 은선덕

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2006

등산화 아웃솔의 독립적 서스펜션 기능이 발의 안정성 및 부하에 미치는 효과

이기광 , 최치선 , 은선덕 대한인간공학회지 2006.11 학술저널

등산화 아웃솔의 독립적 서스펜션 기능이 발의 안정성에 미치는 효과

이기광 대한인간공학회 학술대회논문집 2006.05 학술대회자료

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To investigate the effects of independent suspension technology(IST) of hiking boot on the stability and load of foot, eight participants performed medial and lateral drop landing from 33.4㎝ height and 85㎝ distance to uneven surface while wearing normal & IST hiking boots. For the stability of foot during the drop landing, the balance angle & suspension angle and rearfoot angle was analyzed using high-speed video analysis. Also kinetic analysis using the force plate and insole pressure measurement was conducted to analyze vertical & breaking ground reaction force and pressure distribution. Not only the balance angle & suspension angle but also rearfoot angle was improved with IST boots for lateral drop landing. These results indicate the IST boots may have the suspension function which keeps the foot to be stable during landing. However the IST boots did not show any effect for medial landing. This might be related to the hardness of medial part of outsole. Therefore the softer outsole of medial part could be recommended. Furthermore the impact force & breaking force and insole pressure were reduced with IST boot. These results means that IST boot has not only cushioning effect but also good grip effect. Therefore the hiking boots applied the independent suspension function may help to reduce fatigue and prevent injury such as ankle sprain in hiking on uneven surface.

#Hiking boot #Footwear #Foot stability