INFLUENCES OF SOME SPORTS SHOES ON THE STRENGTH OF PULLING EXERCISE IN INDOOR TUG-OF-WAR
AbstractINTRODUCTION Friction forces are acting in the contact plane of two bodies and thus, one of them being the earth's surface, horizontal forces can be generated. This paper describes research being undertaken to determine the effectiveness of sole patterns as well as sole materials and surfaces in INDOOR Tug-of-war. Therefore, the purposes of this study were to measure the static coefficient of friction at each shoe on three different mats, and to determine the some suitable shoe to Indoor Tug-of-war. METHODS The static coefficient of friction between shoe and mat has been measured in sliding movement using a force platform and video camera to record shoe slipping experiments. This has led to the degree ofslip between some sports shoes and mats surface. As for the degree of slip, the relations between sports shoes and three different mats (used in England, Netherlands and Japan) have been examined experimentally with maximal pulling strength of holding exercise. Investigated additionally was whether static coefficient of friction depended on pulling strength, and which shoe is suitable for INDOOR Tug-of-war. RESULT AND DISCUSSION In this study, it had been found that INDOOR Tug-of-war shoe, made in Japan, had the highest friction sole of other sports shoes and might be the most suitable one for INDOOR Tug-of-war. Further work is necessary to understand the complex nature of slip resistance between shoe sole and mat surface.
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