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气交换数据选择方法对年轻运动员休息代谢率估计的影响

Victor Zaban Bittencourt¹, Raul Freire², Juan M A Alcantara^3,4,5

¹DAFEE Laboratory, Graduate Program in Nutrition, Instituto de Nutrição Josué de Castro, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.

|September 20, 2023

概括

确定年轻运动员的休息代谢率 (RMR) 可以缩短. 5分钟稳定状态方法在大约12分钟内提供了有效的RMR估计,确保了准确性.

科学领域:

运动科学运动科学运动科学
人体生理学人体生理学
代谢研究研究代谢研究

背景情况:

准确的休息代谢率 (RMR) 估计对运动员至关重要.
传统的RMR评估可能会耗时.
优化RMR评估协议是需要在体育场合实际应用的.

研究的目的:

分析不同气体交换数据选择方法对年轻运动员RMR估计的影响.
提出并验证RMR评估的缩短协议.
确定在这个人群中对RMR估计的最佳方法.

主要方法:

涉及66名健康的巴西年轻运动员的横截面研究.
使用各种气体交换数据选择方法 (短/长间隔,稳定状态,过) 进行30分钟的RMR评估.
统计分析包括混合单向ANOVA和配对学生t测试来比较方法.

主要成果:

5分钟稳定状态 (SSt) 方法产生了最低的RMR估计值.
观察到方法之间的统计差异,但在临床上没有意义 (约36千卡/天).
使用SSt方法进行12分钟的评估足以以低变化系数有效的RMR估计.

结论:

在年轻运动员的RMR评估中,建议使用5分钟的SSt方法.
缩短约12分钟的RMR评估协议是可行的.
这个优化的协议为评估年轻运动员的能量消耗提供了一种实用和可靠的方法.

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