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用不同风格的湿衣游泳的能量学和基本的冲动动力学
Boram Lim1, Alejandro Villalobos2, John A Mercer3
1Department of Health and Kinesiology, Texas A&M University, Kingsville, Texas.
Journal of strength and conditioning research
|July 17, 2024
概括
穿着全袖或无袖的湿衣显著改善了与没有湿衣相比的游泳经济. 浮力短提供了一些好处,但全袖和无袖游泳服提供了最大的能量优势,而不会改变冲动力学.
科学领域:
- 运动科学 运动科学 运动科学
- 运动生理学 运动生理学
- 生物力学 生物力学
背景情况:
- 湿衣在游泳中通常用于保温和浮力.
- 不同的湿衣风格对游泳能量和动力学的影响需要进一步调查.
研究的目的:
- 为了研究不同水服风格的亚最大前游泳期间的生理反应和中风动力学.
- 为了比较没有游泳服,浮力短,无袖游泳服和全袖游泳服的动力成本.
主要方法:
- 14名游泳者完成了分级运动测试,以确定最大有氧能力 (V·O 2max).
- 游泳者在80%的V·O2max下进行了4分钟的最大前爬式游泳,穿着四种条件:没有潮衣 (NWS),浮力短 (BS),无袖潮衣 (SLW) 和全袖潮衣 (FSW).
- 测量了生理变量 (V ̇O 2, V ̇CO 2, V ̇ E, HR, RER, CS) 和中风动力学 (中风速率,长度,指数).
主要成果:
- 氧气消耗 (V ̇O 2),二氧化碳产量 (V ̇CO 2),每分钟通风 (V ̇ E),心率 (HR) 和游泳 (CS) 的成本与无湿衣相比,在湿衣下显著降低 (p < 0.01).
- 呼吸交换比率 (RER) 和感知劳动力 (RPE) 评级在不同条件下也存在显著差异 (p < 0.05).
- 在湿衣条件 (p > 0.05) 中没有观察到冲击率,长度或指数的显著差异,SLW和FSW之间也没有发现差异.
结论:
- 没有湿衣游泳是最不经济的,而无袖和全袖湿衣提供了最显著和同等的能量效益.
- 浮力短比无潮提供了适度的能量优势,但比无袖或全袖潮更不经济.
- 湿衣的使用可以提高游泳的经济性,而不会对基本的冲动动力学产生负面影响.
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