一天中的一分钟可以告诉我们什么关于身体活动?
Henri Vähä-Ypyä1, Pauliina Husu1, Harri Sievänen1
1UKK-Institute, 33500 Tampere, Finland.
International journal of environmental research and public health
|October 14, 2023
概括
更高的心肺呼吸能力 (CRF) 使个人能够以更高的绝对强度进行体力活动 (PA). 较低的CRF意味着日常活动需要更高的相对努力,突出了CRF.
科学领域:
- 运动生理学 运动生理学
- 公共卫生 公共卫生
- 生物医学科学 生物医学科学
背景情况:
- 心血管健康 (CRF) 对于日常活动的表现和强度至关重要.
- 了解CRF和体力活动 (PA) 强度之间的关系对健康至关重要.
- 以前的研究还没有完全阐明CRF如何影响PA峰值强度的绝对和相对值.
研究的目的:
- 为了研究心脏呼吸能力 (CRF) 和峰值体力活动 (PA) 强度之间的关联.
- 分析PA强度的绝对 (MET) 和相对 (有氧能力的百分比) 术语.
- 探索CRF如何影响不同健身水平的日常活动中所需的努力.
主要方法:
- 利用了3587名50-52岁的参与者 (1447名男性,2140名女性) 的加速度计数据.
- 使用6分钟步行测试估计CRF,并将参与者分为三个CRF组.
- 按性别和年龄组分析的绝对和相对值捕获的每日一分钟的PA峰值强度.
主要成果:
- 在最高的CRF三分之一的参与者表现出最高的绝对峰值PA强度 (男性:6.4MET,女性:6.4MET).
- 相反,最高CRF组在峰值PA时使用了较低的有氧能力百分比 (男性:49%,女性:52%).
- 较低的CRF群体需要更大的相对努力 (有氧能力的更高百分比) 进行日常活动.
结论:
- 较高的CRF允许个人参与更高绝对强度的PA.
- 低CRF的个体在日常活动中消耗更多的有氧能力.
- 更高的CRF增强了PA能力,并提供了保护性缓冲,防止在例行任务中进行艰苦的劳动.
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