两极化或值训练:有没有一种优越的训练强度分布来改善VOmax,耐力能力和线粒体功能? 在Wistar Rat模型中进行的一项研究
Pedro Oliveira1,2,3, Miguel Anjos4,5, Ariane Flores4,5
1Faculty of Sport of University of Porto (FADE-UP), Research Centre in Physical Activity, Health and Leisure (CIAFEL), Porto, Portugal. up201807240@fade.up.pt.
Journal of physiology and biochemistry
|April 2, 2025
概括
极化训练 (POL) 和值训练 (THR) 在最大氧气吸收和耐力能力方面取得了相似的改善. 线粒体功能和生物能量标记在八周后在POL和THR组之间也是可比的.
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
- 线粒体生物学 线粒体生物学
背景情况:
- 关于不同训练强度分布模型的有效性,存在相互矛盾的证据.
- 两极化培训 (POL) 和值培训 (THR) 是受欢迎的模型,有争议的优势.
- 了解它们对生理和细胞适应的比较作用对于优化训练至关重要.
研究的目的:
- 为了比较极化训练 (POL) 与值 (THR) 训练对最大氧气吸收 (V·O2max),耐力能力 (EC) 和线粒体功能的影响.
- 研究关键线粒体蛋白和生物能标志物的适应性,以应对不同的训练强度.
- 为提高运动表现提供基于证据的关于最佳训练强度分布的见解.
主要方法:
- 15只雄性Wistar大鼠被分为POL,THR和对照 (CON) 组.
- 训练方案涉及8周的5天/周运行,POL在80%体积,60%V̇O2max和20%在90%V̇O2max,THR在75%V̇O2max.
- 评估了VOmax,EC,线粒体呼吸 (OXPHOS),酶活性 (酸盐合成酶) 和蛋白质表达 (线粒体动力学和生物发生标志物).
主要成果:
- 与CON相比,POL和THR训练都显著改善了VO2max和EC,POL和THR之间没有显著差异.
- 线粒体功能,包括OXPHOS和酸盐合成酶活性,在分析的组织中,POL和THR组之间没有显著差异.
- 参与动力学和生物发生的关键线粒体蛋白的表达水平在POL和THR训练组之间是相似的.
结论:
- 八周的POL或THR训练使大鼠的V·O2max和耐力能力得到了可比的改善.
- 两种训练模型都没有在增强心脏和骨肌肉中的线粒体功能或生物能标志物方面表现出优越性.
- 这些发现表明,这两种训练强度分布模型都可以有效地提高耐力表现和生理适应.
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