先进的鞋类技术,纵向曲刚度和跑步的能源成本之间的关系
Víctor Rodrigo-Carranza1,2, Wouter Hoogkamer2, José María González-Ravé1
1Sports Performance Research Group (GIRD), University of Castilla-La Mancha, Toledo, Spain.
Scandinavian journal of medicine & science in sports
|June 26, 2024
概括
与非常硬或传统鞋相比,中度硬的先进技术鞋可以提高跑步经济性 (RE). 在先进的鞋类技术 (AFT) 中,鞋子纵向曲刚度 (LBS) 的增加影响了RE,中度刚度是最有效的.
科学领域:
- 生物力学 生物力学
- 运动生理学 运动生理学
- 运动工程 运动工程
背景情况:
- 跑步鞋的纵向曲刚度 (LBS) 理论上影响跑步经济性 (RE) 和性能.
- 之前对LBS和RE的研究已经产生了不一致的结果.
- 在先进的鞋类技术 (AFT) 中LBS的影响仍未得到充分探索.
研究的目的:
- 为了研究不同AFT鞋的LBS对RE的影响.
- 为了比较不同硬度水平的弧形碳纤维板对对照鞋的影响.
- 为了分析空间时空参数的变化,以响应AFT鞋硬度.
主要方法:
- 21名男子跑步者以13公里/小时的速度在三个鞋子条件下跑步:控制 (20.1N/mm),硬 (35.5N/mm) 和最硬 (43.1N/mm).
- 实验性鞋子的特点是,在AFT中间鞋底中,有曲的碳纤维板.
- 测量了运行经济 (运行能源成本) 和时空参数.
主要成果:
- 运行经济 (RE) 在适度硬的鞋子状况显著改善,与对照 (2,56%的改善) 和最硬的条件 (1,98%的改善) 相比.
- 在最硬的和对照鞋的条件之间没有观察到RE的显著差异.
- 在所有鞋子条件中,没有发现时空参数的显著差异.
结论:
- 在先进的鞋类技术 (AFT) 中,纵向曲刚度 (LBS) 的增加影响了运行经济性 (RE).
- 适度硬的 AFT 鞋在 13 公里/小时的 RE 增强方面表现为最有效的 LBS.
- 与适度硬的选择相比,非常硬的AFT鞋和传统的柔性鞋不会提供优越的RE好处.
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