在normobaric缺氧中进行三次重复的冲刺训练会提高冲刺表现
Abdulkadir Birol1,2, Dicle Aras3,4, Cengiz Akalan3
1Graduate School of Health Sciences, Ankara University, Ankara, Türkiye.
Heliyon
|March 18, 2024
概括
在normobaric缺氧中重复的冲刺训练改善了冲刺表现,峰值功率输出显著增加,冲刺减速减少. 这表明缺氧可能会增强中等训练的个体的训练适应性.
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
- 高空训练 高空训练
背景情况:
- 重复冲刺训练 (RST) 有效提高无氧性能.
- 诺莫巴菌缺氧越来越多地用于增强训练适应性.
- 缺氧中短期RST对冲刺表现的影响需要进一步调查.
研究的目的:
- 为了评估三次RST会话在normobaric缺氧对冲刺表现,动脉氧和度 (SpO2) 和感知劳动力 (RPE) 的评级的影响.
- 为了比较缺氧 (HYP),安慰剂 (PLA) 和对照 (CON) 组之间的适应.
主要方法:
- 24名受过中等训练的男性大学生参加了一项单盲,安慰剂对照研究.
- 参与者被分配到HYP,PLA或CON组.
- HYP和PLA组分别在循环人体仪上进行了三次RST (4组5次5秒冲刺,冲刺间休息30秒,冲刺间休息5分钟) 周期人体仪,分别在normobaric hypoxia (13.6%FiO2) 或normoxia (20.9%FiO2) 中进行了三次RST (4组5次5秒冲刺,冲刺间休息30秒和5分钟休息). 测试前后测试间隔72小时进行.
主要成果:
- 所有组都显示出显著的时间效应,表明相对峰值输出功率 (PPO) 和平均输出功率 (MPO) 的改善,以及冲刺减速得分 (Sdec%) 的减少.
- HYP组表现出最显著的改善:PPO增加了13.44% (p=0.006) 和Sdec%减少了13.34% (p=0.048).
- 虽然两组之间没有发现统计差异,但与PLA和CON组相比,HYP组显示出更大的性能增强.
结论:
- 在normobaric缺氧下进行三次RST可能会导致冲刺表现的更大改善,而不是在normoxic条件下,特别是在峰值功率输出和疲劳抵抗方面.
- 缺氧似乎增强了对重复冲刺训练的适应性反应.
- 需要进一步的研究来阐明低氧RST的最佳方案和长期影响.
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