缺血预先调节,但不是炼炼,提高了训练有素的岩者炼表现
Keenan B MacDougall1, Zachary J McClean1, Brian R MacIntosh1
1Faculty of Kinesiology, University of Calgary, Calgary, Alberta, Canada; and.
Journal of strength and conditioning research
|August 22, 2023
概括
缺血预调 (IPC) 显著改善了岩性能和运动耐受性. 炼运动没有提高表现,这表明IPC是登者有前途的竞争前策略.
科学领域:
- 运动科学 运动科学 运动科学
- 运动生理学 运动生理学
- 登山表现 登山表现 登山表现
背景情况:
- 岩需要高水平的手指曲器强度和耐力.
- 对于运动员来说,了解提高登表现的方法,如预先调节策略,至关重要.
- 缺血预调 (IPC) 和炼是改善运动耐受性的潜在干预措施.
研究的目的:
- 为了研究IPC和炼运动对炼耐受性和疲劳性在岩特定任务的影响.
- 为了比较IPC和炼运动的有效性与训练有素的岩石登者的标准热身.
主要方法:
- 12名训练有素的岩者在三个条件下进行了悬挂板测试:控制 (CON),IPC和初始化练习 (PRIME).
- 运动耐受性被测量为任务失败的时间 (T lim).
- 评估了神经肌肉反应 (MVC,抽力,自愿激活) 和肌肉氧化 (NIRS).
主要成果:
- 与对照条件相比,IPC显著增加了大约20%的任务失败时间.
- 与对照组相比,初始化炼没有显著改善炼耐受性.
- 在不同条件下没有观察到任务失败时神经肌肉反应的显著差异,尽管IPC和PRIME后的恢复延迟了.
结论:
- 缺血预调是一种有效的策略,可以提高训练有素的岩石登者的运动耐受性和表现.
- 在这个特定的任务中,初始化练习似乎并没有为性能带来好处.
- 岩石登者可能会使用IPC作为一种有价值的竞赛前策略,因此需要进一步研究其潜在机制.
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