人类对抗力和耐力训练的动态大脑自我调节反应的性别差异
Hannah J Thomas1,2, Channa E Marsh1, Leanne Lester1
1School of Human Sciences, Exercise and Sport Science, The University of Western Australia, Perth, Western Australia, Australia.
Experimental physiology
|February 18, 2026
概括
抵抗训练可能比耐力训练更能改善动态大脑自调 (dCA),特别是在女性身上. 这项研究比较了运动对男性和女性大脑血流调节的影响.
科学领域:
- 运动生理学 运动生理学
- 神经科学是一个神经科学.
- 大脑血管健康
背景情况:
- 运动对大脑健康和降低脑血管疾病风险至关重要.
- 对男性和女性大脑自我调节的最佳运动方式尚不清楚.
- 尽管血压发生变化,大脑自调节保持了稳定的脑血流.
研究的目的:
- 为了比较耐力 (END) 和阻力 (RES) 训练对健康男性和女性动态大脑自我调节 (dCA) 的影响.
- 为了研究dCA在不同类型的运动训练后的性别特异性适应.
- 用自发和强制血压振荡来评估dCA变化.
主要方法:
- 一项随机交叉研究,涉及49名健康成年人.
- 参与者完成了3个月的END和3个月的RES培训,分开3个月的洗期.
- 动态大脑自调节通过中脑动脉血速 (MCAv) 评估,使用横多普勒在自发和强制血压变化期间.
主要成果:
- 在基线,女性的MCAv和dCA增益高于男性.
- 抵抗训练,但不是耐力训练,在整个组中显著降低了dCA收益.
- 这种dCA增益的减少在抵抗训练后的女性中观察到,但在男性中没有.
- 女性在自发和强迫dCA时,正常化增益显著减少.
结论:
- 抵抗训练可能比耐力训练更有效,可以增强健康年轻人的动态大脑自我调节.
- 抗力训练对dCA的好处在女性中显得比男性更明显.
- 这项研究为对不同运动方式的性别特异反应提供了新的见解,以调节大脑血流.
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