在患有肥胖症的男性中,急性间歇跑会导致运动后氧气消耗和脂质氧化过多,而不是同热度连续跑
Lang Jiang1,2, Yihong Zhang1,3, Zhengzhen Wang1
1School of Sports Medicine and Rehabilitation, Beijing Sport University, Xinxi Road, No 48, Beijing, China.
高强度间歇训练 (HIIT) 在肥胖的大学生男性中显著增加了运动后过量的氧气消耗 (EPOC) 并提高了脂质代谢,而不是中等强度的持续训练 (MICT). HIIT提供了一种更有效的急性运动策略,用于燃烧脂肪和消耗卡路里.
科学领域:
- 运动生理学 运动生理学
- 代谢健康 代谢健康
- 肥胖问题研究研究
背景情况:
- 高强度间歇训练 (HIIT) 越来越多地因其在体重管理中的时间效率而得到认可.
- 了解HIIT与中等强度持续训练 (MICT) 的急性代谢反应对于优化炼方案至关重要,特别是在肥胖人口中.
研究的目的:
- 为了比较能量消耗 (EE) 对运动后过量氧气消耗 (EPOC) 的急性影响,匹配HIIT和MICT.
- 研究这些培训方案对肥胖的男性大学生基质代谢,特别是脂质氧化的影响.
主要方法:
- 21名未受过训练的肥胖男性大学生参加了一项随机交叉研究.
- 参与者完成了两个与总能耗 (~300千卡) 相匹配的急性跑步机炼干预:HIIT (90%VO2max的3分钟间隔,在25%VO2max的2分钟恢复) 和MICT (在60%VO2max的持续炼).
- 在运动期间和运动后30分钟内,使用间接热量计测量EPOC和基质代谢.
主要成果:
- 与MICT (53.91 ± 12.63 kcal) 相比,EPOC在HIIT (66.20 ± 14.36 kcal) 后显著更高,特别是在运动后的前10分钟内.
- 与MICT (0.76 ± 0.46 mg/kg/min) 相比,HIIT (1.01 ± 0.43 mg/kg/min) 后的脂质氧化率显著增加.
- 在EPOC期间,从脂质中获得的能量百分比在HIIT后 (37.94±14.21%) 也高于在MICT后 (30.09±13.54%).
结论:
- 与EE匹配的MICT相比,HIIT在肥胖的男性大学生中引起了更大的总EE和更明显的EPOC反应.
- 在运动后的恢复期间,HIIT促进了脂质在能量消耗方面的更高利用率.
- 这些发现表明,HIIT是一种更有效的急性炼策略,可以在这个人群中增强运动后的卡路里和脂肪燃烧.
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