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活跃更年期妇女的代谢灵活性和休息自主功能

Jordi Monferrer-Marín¹, Ainoa Roldán¹, Jørn Wulff Helge²

¹Sport Performance and Physical Fitness Research Group (UIRFIDE), Physical Education and Sports Department, University of Valencia, Valencia, Spain.

European journal of applied physiology

|July 25, 2024

概括

在老年女性中,更好的休息心率变化 (HRV) 与更好的代谢灵活性有关,表明脂肪和碳水化合物氧化增强. 这表明自主功能是衰老代谢健康的关键.

科学领域:

心血管生理学心血管生理学
代谢健康代谢健康
衰老研究研究衰老研究

背景情况:

心率变化 (HRV) 反映了心脏自主控制.
代谢灵活性对于能量利用和健康至关重要.
衰老影响自主功能和新陈代谢.

研究的目的:

研究休息HRV与活跃的绝经后妇女的代谢灵活性之间的关系.
评估最大强度 (MFO和MCO) 的脂肪氧化 (FATox) 和碳水化合物氧化 (CHOox) 速度.

主要方法:

用10分钟的休息记录测量了24名活跃女性 (年龄约67岁) 的HRV.
一个增量循环测试确定了最大的脂肪和碳水化合物氧化率.
使用非线性HRV分析 (SampEn,DFAα1) 和传统的HRV指标.

主要成果:

休息非线性HRV测量 (SampEn,DFAα1) 与FATox和CHOox在FATmax强度下相关.
在MCO强度下,HRV和氧化率之间没有发现关联.
DFAα1,LF/HF比率和SD1/SD2比率与MCO强度的血液乳酸盐度相关联.

结论:

休息自主功能的增强,以HRV表示,与更好的代谢灵活性有关,在绝经后的妇女.
非线性HRV分析 (DFAα1,SampEn) 适用于评估衰老中的自主心血管健康.
这些发现支持自主资源假设,并突出了HRV在随着衰老的代谢健康中的作用.

关键词:

自主神经系统的自主神经系统.血液中的乳酸盐.DFAα1 是一个DFAα1 脂肪氧化过程中的脂肪氧化.心率变化心率的变化.

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