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Softer and more resilient running shoe cushioning properties enhance running economy

机译：柔软，更具弹性的跑鞋缓冲性能可提高跑步经济性

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摘要

Purpose: Several studies have investigated whether shoe cushioning properties have an effect on running economy. However, the findings have not been unanimous. Studies have shown both increases and decreases in running economy with soft shoes, while other studies have shown participant specific differences. Therefore, the purpose of this study was to add to the body of knowledge describing the effects of shoe cushioning properties on running economy. Methods: This study was comprised of two experiments; one using a stationary metabolic analysis system to measure oxygen consumption during treadmill running, and one using a portable metabolic analysis system to measure oxygen consumption during over-ground running. Twelve aerobically fit athletes participated in each experiment. Two professionally constructed pairs of prototype running shoes were provided by adidas AG for this experiment (Soft shoe and Control shoe). The shoes were identical in construction with the only differences being the midsole material and corresponding stiffness and energy return. Results: For both the treadmill and over-ground experiments, the Soft shoe condition was associated with statistically significantly decreased oxygen consumption compared to the Control shoe condition (Treadmill p = 0.044, Over-ground p = 0.028). In the treadmill experiment, 10 of the 12 subjects consumed less oxygen while wearing the more compliant/ resilient condition, with an average decrease for all subjects of 1.0%. In the over-ground experiment 9 of the 12 subjects consumed less oxygen while running in the more compliant/resilient condition, with an average decrease for all subjects of 1.2%. Conclusion: Running shoes with softer and more resilient midsoles were found to influence running economy by 1.0% on average during treadmill and over-ground experiments.
机译：目的：几项研究调查了鞋的缓冲性能是否会影响跑步的经济性。但是，调查结果并非一致。研究表明，穿软鞋的跑步经济性有增有减，而其他研究则显示参与者的具体差异。因此，这项研究的目的是增加描述鞋子缓冲性能对运行经济性影响的知识体系。方法：本研究包括两个实验。一种使用固定式代谢分析系统来测量跑步机运行期间的氧气消耗，另一种使用便携式代谢分析系统来测量地面运行期间的氧气消耗。每个实验有12名有氧运动的运动员参加。 adidas AG为该实验提供了两对专业构造的原型跑鞋（软鞋和控制鞋）。鞋子的结构相同，唯一的区别是中底材料以及相应的刚度和能量返回。结果：对于跑步机和地面实验，与对照鞋条件相比，软鞋条件与氧气消耗在统计学上显着降低有关（跑步机p = 0.044，地面p = 0.028）。在跑步机实验中，在12位受试者中，有10位在穿着较柔顺/有弹性的情况下消耗的氧气更少，所有受试者的平均减少量为1.0％。在地面实验中，12位受试者中有9位在更柔顺/更有弹性的条件下跑步时消耗的氧气更少，所有受试者的平均减少量为1.2％。结论：在跑步机和地面实验中，具有较软且更具弹性的中底的跑步鞋平均对跑步经济性的影响为1.0％。

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  • 来源
    《Footwear science》 |2014年第3期|147-153|共7页
  • 作者

    Jay Worobets; John William Wannop; Elias Tomaras; Darren Stefanyshyn;

  • 作者单位

    University of Calgary, Human Performance Lab, Faculty of Kinesiology, 2500 University Drive NW, Calgary, Alberta, T2N 1N4 Canada;

    University of Calgary, Human Performance Lab, Faculty of Kinesiology, 2500 University Drive NW, Calgary, Alberta, T2N 1N4 Canada;

    University of Calgary, Human Performance Lab, Faculty of Kinesiology, 2500 University Drive NW, Calgary, Alberta, T2N 1N4 Canada;

    University of Calgary, Human Performance Lab, Faculty of Kinesiology, 2500 University Drive NW, Calgary, Alberta, T2N 1N4 Canada;

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  • 正文语种 eng
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  • 关键词

    cushioning; energy return; stiffness; compliance; resilient;

    机译：缓冲能量返回刚性;遵守;弹性的;

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