低体积的低速度耐力训练与减少体积提高了高训练的骑自行车者的短期运动表现
Jan S Jeppesen1, Kate A Wickham, Martin Zeuthen
1The August Krogh Section for Human Physiology, Department of Nutrition, Exercise and Sports (NEXS), University of Copenhagen, Copenhagen, DENMARK.
Medicine and science in sports and exercise
|April 23, 2024
概括
低速耐力训练 (SET) 提高了骑自行车者的短时间表现. 大量的SET增加了肌肉离子载体和酶活性,这对精英运动员至关重要.
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
- 肌肉生理学 肌肉生理学
背景情况:
- 速度耐力训练 (SET) 对运动表现至关重要.
- 优化SET体积是最大限度地适应训练有素的运动员的关键.
- 了解减少训练量对生理标志物的影响很重要.
研究的目的:
- 调查低和高体积SET对冲刺能力,运动能力和骑自行车运动员肌肉适应性的影响.
- 为了比较减少训练量SET协议的有效性.
- 确定SET对肌肉线粒体特性,离子运输和酶活性的影响.
主要方法:
- 24名训练有素的男性骑自行车者被分为低体积SET (SET-L),高体积SET (SET-H) 和对照 (CON) 组.
- SET-L和SET-H组接受了6周的培训,整体培训量减少了30%.
- 通过冲刺,计时试验和分析各种生理标记的肌肉活检来评估表现.
主要成果:
- SET-L显著提高了4分钟计时试验的性能,提高了3.8%.
- 没有观察到跨组冲刺能力,长期耐力能力,V·O2max或线粒体呼吸能力的显著变化.
- SET-H导致最大酸果酶 (PFK) 活性和特定肌肉离子载体丰度显著增加.
结论:
- 低体积的SET有效地提高了骑自行车者的短时间强度运动表现.
- 高体积的SET是调节肌肉离子载体含量和最大PFK活性所必需的.
- 两种SET协议都保持了冲刺能力,VO2max,耐力表现和肌肉氧化能力.
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