在各种高强度间隔和中等强度持续训练方案中释放脂解激素及其对减肥的影响
Xiangui Zhu1, Jiao Jiao2,3, Yu Liu1
1Physical Education College, Hebei Normal University, Shijiazhuang, China.
Journal of sports science & medicine
|September 4, 2024
概括
高强度间歇训练 (HIIT) 和冲刺间歇训练 (SIT) 对肥胖女性的减肥更有效,而不是中等强度持续训练 (MICT). 这些强烈的炼刺激脂肪燃烧激素如上腺素和生长激素的更大释放.
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:
- 肥胖是一个重大的公共卫生问题,需要有效的运动干预措施来减少脂肪.
- 了解对不同强度运动的荷尔蒙反应对于优化体重管理策略至关重要.
研究的目的:
- 为了比较各种高强度间歇训练 (HIIT) 方案和中等强度持续训练 (MICT) 对肥胖女性的脂解激素释放和脂肪减轻的影响.
- 研究运动诱导的荷尔蒙变化与随后的脂肪减少之间的关系.
主要方法:
- 39名肥胖女性 (体脂百分比≥30%) 被随机分为四组:全力冲刺间隔训练 (SIT),最高限度HIIT (HIIT120),中度HIIT (HIIT90) 和MICT.
- 干预持续了12周,每周有3-4次会议.
- 血清上腺素 (EPI) 和生长激素 (GH) 在训练期间被测量;体重,BMI,脂肪量 (FM) 和体脂肪百分比 (BFP) 在干预前后被评估.
主要成果:
- 在早期训练后,HIIT120和HIIT90的EPI增加,而SIT和MICT没有.
- 到第44次会议时,SIT,HIIT120和HIIT90显示了EPI的增加,与MICT不同.
- 所有组都显示运动后GH增加;EPI和GH在3小时内恢复到基线.
- 所有组都在FM和BFP中实现了显著的减少;与MICT相比,SIT和HIIT组在FM和BFP中显示出更大的减少.
- 与MICT不同的是,SIT和HIIT组的体重和BMI也显著减少.
结论:
- 与MICT相比,12周的SIT,HIIT120和HIIT90干预措施在肥胖女性的减肥方面更有效.
- 随着更强度的训练而增加的脂肪损失可能部分归因于更大的脂解激素释放.
- 这些发现支持使用高强度运动来控制肥胖和改善身体组成.
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