在划船中改变下部位置:世界一流划船员的简要报告
Filipa Cardoso1,2, Ricardo Cardoso1,2, Pedro Fonseca2
1Centre of Research, Education, Innovation and Intervention in Sport (CIFI2D), Faculty of Sport, University of Porto, 4200-450 Porto, Portugal.
Journal of functional morphology and kinesiology
|September 23, 2024
概括
用下前置重新定位 splint 改变部位置,改善了划船经济性,并降低了世界级划船员的运动成本. 这表明口腔内可能有利于精英运动员,特别是在划船.
科学领域:
- 运动科学 运动科学 运动科学
- 生物力学 生物力学
- 运动生理学 运动生理学
背景情况:
- 下位置对运动表现的影响是一个新兴的研究领域.
- 优化生物力学和生理反应可以提高运动经济和效率.
研究的目的:
- 为了研究在划船增量协议期间使用口腔内 splint 改变下位置的急性生物物理效应.
- 评估世界一流划船员的呼吸反应,划船动力学和电肌学变化.
主要方法:
- 一名世界级的男性划船者完成了两次7x3分钟的人体表划船试验:一个是控制 (没有) 和一个是下前置重新定位.
- 评估了通风,动力和体电肌图数据,比较了使用配对样本t-test的条件之间的结果.
主要成果:
- splint 条件显示在更高的强度下氧气吸收较低,并且改变了通风模式.
- 划船技术发生了变化,频率较慢,推进运动较长,推进阶段更快,恢复时间较长.
- 身体上部肌肉活化减少,而身体下部活动增加,这表明能量效益和划船经济改善.
结论:
- 用前置重新定位 splint 改变下的位置证明了一个世界级的划船员的精力效益.
- 这些发现支持在高水平体育运动中,特别是划船中,以提高表现的潜在应用.
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