每日肌纤维细胞蛋白质合成率在间隔期间与健康年轻男性的持续炼训练相比,与持续炼训练相匹配的持续时间和工作没有差异
Jorn Trommelen1, Martin J MacInnis2, Joshua P Nederveen2
1Department of Human Biology, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre+, Maastricht, The Netherlands.
International journal of sport nutrition and exercise metabolism
|November 20, 2025
概括
高强度间歇训练 (HIIT) 和中等强度持续训练 (MICT) 同样影响肌纤维细胞蛋白质合成. 这项为期2周的研究发现,在年轻男性的两种运动类型之间,肌肉生长率没有显著差异.
科学领域:
- 运动生理学 运动生理学
- 骨肌肉生物学 骨肌肉生物学
- 运动科学 运动科学 运动科学
背景情况:
- 高强度间歇训练 (HIIT) 和中等强度持续训练 (MICT) 是流行的运动方式.
- 工作匹配的HIIT和MICT对骨肌肉适应,特别是肌纤维蛋白合成 (MPS) 的比较影响尚未完全理解.
研究的目的:
- 研究短期,与工作相匹配的HIIT与MICT对肌纤维细胞蛋白质合成率的影响.
- 为了比较骨肌肉对这两种训练方案的适应性反应,在受控制的参与者内部设计中.
主要方法:
- 在2周的时间里,在10名健康的年轻人身上使用了一条单腿,参与者内部的设计.
- 参与者在一条腿上接受了HIIT或MICT,而另一条腿作为对照或接受了替代训练.
- 肌纤维细胞蛋白质合成率被评估使用脱水和骨肌肉活检.
主要成果:
- 无论是HIIT还是MICT都导致单脚最大功率的显著增加,培训模式之间没有差异.
- 肌纤维细胞蛋白质合成率在习惯期,MICT或HIIT之间没有显著差异 (分别为1.39 ± 0.16%,1.24 ± 0.30%和1.42 ± 0.31%).
结论:
- 短期,与工作相匹配的HIIT和MICT在娱乐活跃的年轻男性中引起了可比的肌纤维细胞蛋白质合成率.
- 这些发现表明,两种训练模式都可能在类似的程度上支持肌肉缩,如果在2周的时间内与总体工作相匹配.
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