基于心率的方法的应用和性能,以估计绝经后妇女在不同强度的运动时的氧气消耗
Alessandro L Colosio1, Massimo Teso2, Jan Boone3
1Department of Movement and Sports Sciences, Ghent University, Watersportlaan 2, 9000, Ghent, Belgium. alessandro.colosio@ugent.be.
European journal of applied physiology
|December 19, 2023
概括
心率 (HR) 可以估计绝经后妇女的运动能量消耗. 像HRnet和HRindex这样的特定人力资源指数比一般方程更准确,突出了个性化模型的需要.
科学领域:
- 运动生理学 运动生理学
- 心血管健康 心血管健康
- 衰老研究研究 衰老研究
背景情况:
- 心率 (HR) 通常用于估计氧气消耗 (VO2),运动强度和能量消耗.
- 基于HR的估计的准确性可能会受到个体生理特征的影响,特别是在老龄化人口中.
- 绝经后妇女 (PMW) 是一个重要的人口群体,具有潜在的独特的心血管适应,影响基于HR的代谢评估.
研究的目的:
- 评估不同心率指数 (绝对心率,HRnet,HRindex) 的适用性和准确性,以估计绝经后妇女的有氧代谢.
- 为了比较人口特异性与基于一般人力资源的方程的有效性,用于预测PMW中的MET和能源支出.
- 确定基于HR的最佳方法,以便在这个人口群体中可靠地进行代谢评估.
主要方法:
- 进行了自行车坡道增量测试,以确定14个PMW中的VO2 (METs) 和HR指数之间的关系.
- 10个PMW执行了六个不同强度的常量工作练习,以测试预测MET和能源支出的特定和一般方程.
- 使用代谢车持续监测肺气交换和HR;统计分析包括相关性,布兰德-阿尔特曼分析和双向RM-ANOVA.
主要成果:
- 在三个HR指数和初始组的MET之间观察到强烈的线性关系.
- 针对特定人口的方程显示了中高的相关性,精度,并且在估计市场经济待遇和能源支出时没有显著的偏差.
- 人力资源网和人力资源指数提供了比绝对人力资源更准确的估计,与人口特定模型相比,一般方程显示出更大的偏差和不准确性.
结论:
- 基于心率的方法适用于估计绝经后妇女的有氧代谢.
- 人口特定的方程和HR指数 (HRnet,HRindex) 优于PMW中准确的代谢估计的一般方程.
- 个体变异性需要开发和使用个性化的模型,以便在老龄化人口中基于HR的可靠代谢推断.
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