在肥胖的成年人中,中等强度间歇训练是否比高强度间歇训练更耐受?
Rami Maaloul1,2, Imen Ben Dhia2,3, Houssem Marzougui1,2
1Research Laboratory, Molecular Bases of Human Pathology, LR19ES13, Faculty of Medicine, University of Sfax, Tunisia.
Biology of sport
|October 23, 2023
概括
中等强度间歇训练 (MIIT) 在肥胖成年人中比高强度间歇训练 (HIIT) 引起的免疫和肌肉障碍更少. 在这个人群中,MIIT可能是炼计划的更好的起点.
科学领域:
- 运动生理学 运动生理学
- 肥胖管理 肥胖管理
- 生物化学 生化学
背景情况:
- 间歇训练 (IT) 是一种时间效率高的肥胖管理策略.
- 有限的研究比较了IT强度对炎症,肌肉/肝脏损伤和肥胖的感知的影响.
研究的目的:
- 在久坐不动的肥胖成年人中,对中等强度IT (MIIT) 和高强度IT (HIIT) 的急性生化和感知反应进行比较.
- 为了评估炎症,肌肉/肝脏损伤标志物,以及两种与负载和持续时间相匹配的IT协议之间的感知力度/疼痛.
主要方法:
- 22名久坐不动的肥胖成人 (BMI 38.29 ± 7.09 公斤/米2) 被随机分配到MIIT (5x3 分钟 @ 70% PPO/2 分钟 @ 45% PPO) 或HIIT (8x1 分钟 @ 90% PPO/2 分钟 @ 45% PPO).
- 在运动前和运动后分析血液样本,以检测生化标志物 (炎症,肝酶,肌肉损伤).
- 在运动期间和之后评估了感知劳动力 (RPE) 和疼痛的评分.
主要成果:
- 与MIIT不同,HIIT显著增加了C反应蛋白,白细胞和中性粒细胞.
- 无论是HIIT还是MIIT,都会同样提高肝酶和肌肉损伤标志物的水平.
- 与MIIT相比,HIIT导致血中乳糖,RPE和疼痛感觉的增加.
- MIIT引起的免疫干扰较少,肌肉疼痛较少,被认为更耐受.
结论:
- 对于肥胖的久坐不动的人来说,MIIT是一种比HIIT更耐受且在生理上更少的破坏性炼方法.
- MIIT可以作为初步训练阶段,为患有肥胖的人准备后续的HIIT计划.
- 运动强度调节对于管理肥胖干预中的生理压力至关重要.
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