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박수일,변범수 한국운동역학회 1994 한국운동역학회지 Vol.4 No.2
During walking, jogging and sprinting, the support time, stride time of both legs and maximal ground reaction forces was investigated using dynamic strain amplifier and repicorder with strain gages for six male college students(3 nonathletes:3 athletes) in the department of physical education. The results this study seem to be the followings: 1. The greater the speed, the more the support time, nonsupport time and stride time was decreased. But it was shown that the nonsupport time during jogging was longer rather than one during walking. 2. Difference between the support time and nonsupport time of right and left leg shown a significant relationship during walking and jogging. whereas it was not shown significantly during sprinting in most subjects. 3. Maximal reaction forces of heel and forefoot were 1.34 BW: 1.38 BW(heel : forefoot) during walking and 1.32 BW: 2.04 BW during jogging and also were 2.49 BW(forefoot) during sprinting, respectively. 4. The % time of maximal ground reaction forces of heel and forefoot were 19.44% time : 79.83% time(heel : forefoot) during walking and 9.96% time : 43.92% time during jogging and also 53.70% time(forefoot) during sprinting.
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