<実践研究>長距離選手における走行時の足底圧分布

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The purpose of this study was to evaluate the skills in making contact with the ground during running among long distance runners. The pressure distribution on the plantar surface was measured by F-SCAN system to evaluate and measure foot contact style. At the same time, ground reaction forces were measured, and the leg motion of runners was videotaped by a high-speed video camera. Measurements were performed under the feet of three skilled and two unskilled long distance runners on three various conditions of shoes (training shoes, marathon shoes, bare feet) and speed (jogging, 5000m race pace, last spurt pace in 5000m race). The following remarks were obtained; (1) For skilled runners, as running speed increased, the point of contact with the ground and the pressure distribution pattern varied in any condition of shoes. On the other hand, among unskilled runners, even if running speed increased, similar variation to that of skilled runners was not found, except for the case of bare feet. (2) In all of the subjects, as the values of pressure generally became greater, the shoe soles were thinner. (3) In all of the subjects, as the values of pressure increased the ground reaction forces tended to increase. In the case of wearing shoes, as running speed rose, the pressure distribution on the plantar surface became greater at the first peak in the ground reaction forces. (4) Among skilled runners, as the shoes became thiner, the time of the foot contact decreased. (5) Among skilled rnners as running speed increased, although the moved distance of the center of pressure in longitudinal direction decreased, the movement in crosswise direction tended to increase. Finally, the relative load analysis from pressure distribution measurements provided additional information about behavior in contact with the ground among long distance runners.
日本スポーツ産業学会の論文

<実践研究>長距離選手における走行時の足底圧分布

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