强力板覆盖面对测量地面反应力的测量有很大影响
Tina Smith1, Massimiliano Ditroilo2
1Faculty of Education, Health & Wellbeing, University of Wolverhampton, Walsall, United Kingdom.
PloS one
|November 3, 2023
概括
不同的强力板覆盖物显著影响垂直和水平地面反应力. 例如,Sportflex产生的垂直力很高,水平力很低,这影响了标准化测试中的测量.
科学领域:
- 生物力学 生物力学
- 运动科学 运动科学 运动科学
- 材料科学 材料科学 材料科学
背景情况:
- 准确测量地面反应力 (GRF) 在生物力学和体育表现分析中至关重要.
- 强力板覆盖通常用于模拟各种运动表面,但它们对GRF数据的影响尚未完全理解.
- 标准化测试程序依赖于一致和可靠的力测量.
研究的目的:
- 为了研究不同强力板覆盖对垂直和水平地面反应力 (GRF) 的影响.
- 在各种表面条件下分析派生参数,如峰值力和力发展速度.
- 评估常见强力板覆盖对标准化生物力学测试的影响.
主要方法:
- 在基斯勒强力板上测试了四种表面条件:裸体,乙烯基,sportflex和astroturf.
- 垂直GRF数据是通过从低 (61厘米) 和高 (139厘米) 的高度放下2公斤的药丸来收集的.
- 横向的GRF数据是使用定制的刚性金属摆形装置获得的.
主要成果:
- 在所有测试条件下 (p<0.001) 发现表面状况对峰值力和力发展速度有显著的主要影响.
- 观察到的差异的影响大小主要是大到非常大.
- 与其他表面相比,Sportflex覆盖造成了最高的垂直GRF,但最低的水平GRF.
结论:
- 强力板覆盖的选择显著影响GRF测量,包括峰值力和力发展速度.
- 当前的强力平台覆盖可以改变在标准化测试程序中获得的生物力学数据.
- 未来的研究应该旨在更密切地复制人类运动动态,并进一步探索实际人类运动期间对GRF的表面影响.
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