一个伴侣指导的随机,盲目的,受控的临床试验,研究了6周训练对纯种马的心率波动的影响
Emma Santosuosso1, Renaud Léguillette1, Sierra Shoemaker2
1Faculty of Veterinary Medicine, University of Calgary, Calgary, Alberta, Canada.
Journal of veterinary internal medicine
|December 10, 2024
概括
在纯血犬中,六周的训练改变了心率变化 (HRV),频率域HRV变量的显著变化与改善的V̇O2max相关. 需要进一步的研究来确认HRV.
科学领域:
- 马类生理学和体育科学
- 运动动物的心血管调节
- 非侵入性生理监测是一种非侵入性生理监测.
背景情况:
- 评估马匹的健康状况是一项挑战.
- 心率变化 (HRV) 是监测人类运动员的一个有价值的工具.
- 对于评估马匹健康的HRV的实用性尚未得到充分证实.
研究的目的:
- 为了研究一个为期6周的训练计划对纯种马的线性域HRV变量的影响.
- 为了确定HRV变化是否与最大氧气吸收 (V̇O2max) 的改善相关.
主要方法:
- 十二只未经训练的纯血犬被分为训练和控制组.
- 在夜间休息期间测量了HRV变量 (HF,LF,正常化单位,RMSSD,SD1,SD2).
- 在6周的训练期之前和之后,评估了VO2max和心声回声指数.
- 统计分析包括对时间依赖变化的ANOVA和对V̇O2max关系的皮尔森相关性.
主要成果:
- 训练组显示VO2max,LF/HF比率和LFnu显著增加,HFnu下降.
- 没有观察到RMSSD,SD1,SD2,静止心率或心声回声指数的显著变化.
- 在VO2max和特定HRV变量 (LFnu和LF) 之间发现了强烈的相关性.
结论:
- 六周的增量训练改变了马匹的特定频域HRV变量.
- 这些HRV变化与增强的有氧能力 (V̇O2max) 相相关.
- 需要进一步的研究来验证HRV作为监测马匹训练反应的工具.
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