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Push-off forces in elite short-track speed skating

机译：精英短路速度滑冰的推动力

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摘要

This study performed an analysis of the push-off forces of elite-short-track speed skaters using a new designed instrumented short-track speed skate with the aim to improve short-track skating performance. Four different skating strokes were distinguished for short-track speed skaters at speed. The strokes differed in stroke time, force level in both normal and lateral directions, and the centre of pressure (COP) on the blade. Within the homogeneous group of male elite speed skaters (N = 6), diversity of execution of the force patterns in the four phases of skating was evident, while skating at the same velocities. The male participants (N = 6) with a better personal record (PR) kept the COP more to the rear of their blades while hanging into the curve (r = 0.82, p < 0.05), leaving the curve (r = 0.86, p < 0.05), and entering the straight (r = 0.76, p < 0.10). Furthermore, the male skaters with a better PR showed a trend of a lower lateral peak force while entering the curve (r = 0.74, p < 0.10). Females showed a trend towards applying higher body weight normalised lateral forces than the males, while skating at imposed lower velocities.
机译：本研究对Elite-Short-Track Spoare Slowers的推断力进行了分析，采用新设计的仪表短路速度滑冰，其目的是提高短路滑冰性能。四种不同的滑冰行程以速度的短轨速度滑冰运动员而区别。冲程时间的行程不同，在正常和横向方向上的力水平，以及刀片上的压力（COP）的中心。在均匀的雄性精英速度滑水机（n = 6）内，在滑冰的四个阶段执行力模式的分集是明显的，同时滑动相同的速度。具有更好的个人记录（PR）的男性参与者（N = 6）将COP更长到刀片的后部，同时悬挂到曲线（R = 0.82，P <0.05），留下曲线（r = 0.86，p <0.05），进入直线（r = 0.76，p <0.10）。此外，具有更好PR的雄性滑冰者在进入曲线时显示出较低横向峰值的趋势（R = 0.74，P <0.10）。女性展示了施加较高的体重呈横向力的趋势，而不是雄性，同时滑动施加的较低速度。

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