从反复的冲刺训练中,在缺氧和相关的训练参数中,表现的个体间变化受益
Naoya Takei1,2, Ryuji Muraki3, Olivier Girard4
1Research Institute of Physical Fitness, Japan Women's College of Physical Education, Tokyo, Japan.
Frontiers in sports and active living
|April 30, 2025
概括
对低氧冲刺训练的个体反应有很大的不同. 在训练期间降低血液氧气水平会降低工作产量,并阻碍跑步者的表现. 了解这种变化是优化培训的关键.
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
- 低氧训练 培训 低氧训练
背景情况:
- 在缺氧 (RSH) 中重复冲刺训练用于提高冲刺表现.
- 训练反应的个体间变异性很常见,但尚未完全理解.
- 外周氧和 (SpO2) 在调解RSH结果中的作用需要澄清.
研究的目的:
- 为了研究RSH的个体间变异性.
- 为了确定SpO2在RSH期间对生理需求和机械输出的影响.
- 检查训练变量与冲刺表现改善之间的关系.
主要方法:
- 十六名训练有素的短跑运动员进行了六次RSH (2x5x10s在15%氧气下冲刺).
- 干预前后的测试涉及10x10s冲刺在normoxia.
- 测量包括平均SPO2,训练冲动 (TRIMP) 和相对总工作 (相对TW).
主要成果:
- 观察到最大推进功率 (MPO) 和冲刺减速得分的显著改善.
- 很大一部分 (20%) 的参与者没有表现出任何绩效益.
- 在RSH期间较高的平均SpO2与较大的相对TW相关 (r=0.435,P=0.008).
- 相对的TW与性能改善有很强的联系 (r=0.833,P<0.001).
- TRIMP与SpO2或性能增长没有显著的相关性.
结论:
- 在RSH期间,较大的外周脱氧与机械工作减少有关.
- 因此,减少机械工作导致更小的性能改善.
- 在SpO2和相对TW的变化可能有助于冲刺跑步者的异质训练效应.
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