特定于运动的面膜对生理和感知反应对分级运动的影响
Aidan K Comeau1, Kelvin E Jones1, Eric C Parent2
1Faculty of Kinesiology, Sport, and Recreation, College of Health Sciences, University of Alberta, Edmonton, AB T6G 2R3, Canada.
运动特异性面罩 (ESFMs) 对健康个体的表现和氧和有负面影响. 虽然提高了一些呼吸道措施,但ESFM增加了不适,可能会限制它们的运动用途.
科学领域:
- 运动生理学 运动生理学
- 运动医学 运动医学
- 呼吸系统生理学 呼吸系统生理学
背景情况:
- 运动特异性面罩 (ESFMs) 对有氧健身个体的生理和性能影响尚不清楚.
- 对于ESFM能够减轻运动引起的支气管收缩 (EIB) 的能力仍然是一个悬而未决的问题.
研究的目的:
- 调查穿着ESFM在分级跑步机炼期间对生理,感知,呼吸和表现反应的影响.
- 评估ESFM如何影响运动引起的呼吸和氧和度变化.
主要方法:
- 24名有氧健身者 (11名女性) 在跑步机上进行了不连续的分级运动测试.
- 参与者在两个条件下完成了测试:佩戴ESFM和没有面具.
- 测量包括生理参数,呼吸功能 (精神测量),感知反应 (空气饥饿,呼吸工作,感知炼) 和疲的时间.
主要成果:
- 使用ESFM显著降低了性能 (耗尽的时间) 平均为150.5秒.
- 使用ESFM,最大强度的动脉氧和率平均下降3.7%.
- 在所有强度下,对空气饥饿和呼吸工作的感知都提高了,而在亚最大强度下,感知到的劳累和呼吸不适显著增加.
结论:
- 适合个体佩戴ESFM会损害运动表现,降低动脉氧和度,增加感知不适.
- 虽然一些最大下呼吸功能措施有所改善,但这些好处伴随着增加的不良感觉.
- 性能下降表明,ESFM在强度运动期间对运动员的实用效用可能有限.
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