净心率用于估计活跃成人的氧气消耗
José A Bragada1,2, Pedro M Magalhães1,2, Eric São-Pedro1
1Department of Sport Sciences, Instituto Politécnico de Bragança, 5300-252 Bragança, Portugal.
Journal of functional morphology and kinesiology
|April 23, 2024
概括
在有氧运动中预测氧气消耗 (VO2) 使用净心率 (netHR),性别和BMI是准确的. 这个公式有助于估计活跃成人的能量消耗和运动强度.
科学领域:
- 运动生理学 运动生理学
- 运动科学 运动科学 运动科学
- 生物医学工程 生物医学工程
背景情况:
- 精确估计氧气消耗 (VO2) 对于运动处方和能源消耗计算至关重要.
- 现有的VO2预测方法在不同成年人群中可能存在局限性.
- 净心率 (netHR),性别和体重指数 (BMI) 是体力活动期间容易获得的指标.
研究的目的:
- 开发和验证活跃成年人在有氧活动期间净氧气吸收 (netVO2) 的预测模型.
- 评估使用netHR,性别和BMI来预测netVO2.2的准确性.
- 根据预测的净VO2.2,建立一个估计能源支出和运动强度 (METs) 的公式.
主要方法:
- 共有156名18-81岁的活跃成年人 (52名女性,104名男性) 参与.
- 参与者被分为预测样本 (n=79) 和验证样本 (n=77).
- 测量了净心率 (netHR) 和净氧气摄入量 (netVO2);使用了多重线性回归和布兰德-阿尔特曼分析.
主要成果:
- 多重线性回归显示,性别,净HR和BMI显著预测了净VO2 (R2 = 85.2%,p < 0.001).
- 得到的公式是:净VO2 = 16 + 3.67 (性别) + 0.27 (净HR) - 0.57 (BMI).
- 布兰德-阿尔特曼图片证实了测量和预测的净VO2之间的良好一致,差异不大,效应大小微不足道.
结论:
- 使用netHR,性别和BMI的简单而准确的公式可以预测有氧运动期间活跃成人的netVO2.
- 该模型为估计能源消耗和规定运动强度 (METs) 提供了一个实用的工具.
- 这种方法提供了一种有价值的非侵入性方法,用于监测和指导临床和健身环境中的体育活动.
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