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Comparison of split double and triple twists in pair figure skating

机译：双人花样滑冰的双人和三重双人摔法比较。

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In this study, we compared the kinematic variables of the split triple twist with those of the split double twist to help coaches and scientists understand these landmark pair skating skills. High-speed video was taken during the pair short and free programmes at the 2002 Salt Lake City Winter Olympics and the 2003 International Skating Union Grand Prix Finals. Three-dimensional analyses of 14 split double twists and 15 split triple twists from eleven pairs were completed. In spite of considerable variability in the performance variables among the pairs, the main difference between the split double twists and split triple twists was an increase in rotational rate. While eight of the eleven pairs relied primarily on an increased rotational rate to complete the split triple twist, three pairs employed a combined strategy of increased rotational rate and increased flight time due predominantly to delayed or lower catches. These results were similar to observations of jumps in singles skating for which the extra rotation is typically due to an increase in rotational velocity; increases in flight time come primarily from delayed landings as opposed to additional height during flight. Combining an increase in flight time and rotational rate may be a good strategy for completing the split triple twist in pair skating.
机译：在这项研究中，我们比较了三重双分裂的运动学变量和双重双分裂的运动学变量，以帮助教练和科学家理解这些具有里程碑意义的滑冰技巧。高速视频是在2002年盐湖城冬季奥运会和2003年国际滑冰联合会大奖赛总决赛的短小和免费节目中拍摄的。完成了对来自11对的14分裂双捻和15分裂三捻的三维分析。尽管各对之间的性能变量存在相当大的可变性，但分开的双捻和分开的三捻之间的主要区别是转速增加。尽管十一对中的八对主要依靠增加的旋转速度来完成三重拆分，但三对采用的组合策略是增加旋转速度和增加飞行时间，这主要是由于捕获延迟或降低。这些结果类似于单人滑冰跳跃的观察，其额外旋转通常是由于旋转速度的增加。飞行时间的增加主要是由于延迟降落，而不是飞行过程中增加高度。将飞行时间和旋转速率的增加结合起来，可能是一种完成对滑冰三分扭转的好策略。

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