在坐中,在固定速度损失值下,对不同异常速度的急性代谢和肌肉氧化反应
Kuan-Tsen Yeh1, Hung-Wen Liu1, Hao-Chien Cheng1
1Department of Physical Education and Sport Sciences, National Taiwan Normal University, Taipei, Taiwan.
International journal of sports physiology and performance
|September 9, 2025
概括
在以速度为基础的训练中,4秒的异常节奏显著增加了代谢和氧化反应,而不是爆炸性或意志性的节奏. 这种方法优化了训练适应,而不会影响输出功率或感知力.
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
- 生物机械培训 生物机械培训
背景情况:
- 基于速度的训练 (VBT) 是一种规定和监测阻力训练强度的方法.
- 异常节奏,降低阶段的持续时间,是VBT中的关键但较少探索的变量.
- 了解不同异常节奏的生理影响对于优化训练方案至关重要.
研究的目的:
- 为了研究在以速度为基础的式训练期间,不同异常节奏 (爆炸性,自发性,4秒) 的急性生理影响.
- 为了比较不同异常收缩速度的代谢和肌肉氧化反应.
- 为了确定异常节奏对训练量,功率输出和主观努力的影响.
主要方法:
- 12名健康的男性参与了一项随机交叉研究,他们进行了并行.
- 训练涉及相对负载的5组,目标是0.70m/s的同心平均速度,直到20%的速度损失,休息300秒.
- 测量了血液乳酸和肌肉组织和度 (近红外光谱),并测量了重复,体积,功率和感知力度.
主要成果:
- 与爆炸性 (EXP) 节奏相比,4秒的异常节奏引起了明显更高的血中乳酸盐度和曲线下的面积.
- 肌肉组织和指数和脱氧/氧化血红蛋白的更大变化在4秒节奏与EXP和意志节奏相比观察到.
- 在总血红蛋白,重复,训练量,平均速度,平均功率或跨节奏的主观感知方面没有发现显著差异.
结论:
- 在一致的速度损失参数下,4秒的异常节奏在VBT期间显著增强了代谢和肌肉氧化反应.
- 这种节奏有效地增加了训练压力,同时保持了与更快节奏相比的功率输出和主观体验.
- 异常速度是VBT中可修改的关键变量,用于调整代谢应激,并可能驱动特定的训练适应.
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