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首页> 外文期刊>Gait & posture >Variability and fluctuation in running gait cycle of trained runners and non-runners.
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Variability and fluctuation in running gait cycle of trained runners and non-runners.

机译：受过训练的跑步者和非跑步者的步态周期的变异性和波动性。

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摘要

The current study examined variability and fluctuation in the running gait cycle, focusing on differences between trained distance runners and non-runners. The two groups of participants performed treadmill running at 80%, 100%, and 120% of their preferred speed for 10 min. Stride-interval time-series were recorded during running using footswitches. The average preferred speed was significantly higher for the trained runners than for the non-runners. The trained runners showed significantly smaller variability of stride interval than did the non-runners, and at the same time the scaling exponent alpha evaluated by detrended fluctuation analysis tended to be smaller for the trained runners. These results suggest that expert runners can reduce variability in the trained movement without loosing dynamical degrees of freedom for spatiotemporal organization of the gait pattern.
机译：当前的研究检查了跑步步态周期的变异性和波动性，重点是受过训练的长跑运动员和非长跑运动员之间的差异。两组参与者以其首选速度的80％，100％和120％进行跑步机跑步10分钟。使用脚踏开关记录跑步过程中的步幅间隔时间序列。受过训练的跑步者的平均偏爱速度明显高于未受跑步者的平均偏爱速度。训练有素的跑步者表现出的步幅间隔差异明显小于非跑步者，并且同时通过去趋势波动分析评估的缩放指数α对于训练有素的跑步者而言往往较小。这些结果表明，专业跑步者可以减少训练运动中的变异性，而不会失去步态模式时空组织的动态自由度。

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