运动前零食对血糖控制,体力活动,睡眠,以及30小时禁食期间主观情绪和饥饿的影响:一项随机交叉研究
Landon S Deru1,2, Katelynn E Hales1, Elizabeth Z Gipson1
1Department of Exercise Science, Brigham Young University, Provo, Utah, USA.
European journal of sport science
|October 28, 2025
概括
与运动一起禁食会增加β-基酸盐 (BHB) 和改变葡萄糖水平,而运动前的零食有助于控制饥饿和维持BHB,类似于单独禁食. 这会影响在禁食期间的血糖控制和饥饿感.
科学领域:
- 代谢健康 代谢健康
- 营养科学 营养科学
- 运动生理学 运动生理学
背景情况:
- 血糖控制对于整体健康和疾病预防至关重要.
- 了解禁食,运动和运动前营养的代谢影响对于优化健康结果至关重要.
- 禁食,运动和营养摄入之间的相互作用显著影响关键的代谢标志物.
研究的目的:
- 为了研究单独禁食,禁食与运动,以及禁食与运动前小吃对β-基酸盐 (BHB),葡萄糖,饥饿,情绪,体力活动和睡眠的影响.
- 为了比较对不同禁食和运动方案的代谢和主观反应.
- 为了确定运动前零食在禁食期间对血糖控制和饥饿管理的可行性.
主要方法:
- 一个随机的交叉设计,涉及30名参与者 (16名男性).
- 评估三种条件下的β-基酸盐 (BHB) 和葡萄糖度,饥饿,情绪,体力活动和睡眠:单独禁食,禁食与运动,以及禁食与30小时的运动前零食.
- 统计分析用于比较条件之间的结果和随着时间的推移.
主要成果:
- 与单独禁食和禁食和运动前零食相比,禁食与运动显著提高了β-基酸盐 (BHB) 水平.
- 在运动前小吃和单独禁食条件之间没有观察到BHB的显著差异.
- 虽然总体葡萄糖度没有显著差异,但与对照组相比,运动导致葡萄糖的暂时增加和随后减少;在两种运动条件下,运动后的饥饿感都减少了.
结论:
- 禁食运动显著提高BHB,并影响葡萄糖动态,而不是仅饮水禁食.
- 运动前的零食可以保持与仅饮水禁食相比的BHB水平,并有效地减少运动后的主观饥饿感.
- 运动前的零食是控制饥饿和在禁食期间支持血糖控制的可行策略.
更多相关视频
08:06Assessment of the Metabolic Effects of Isocaloric 2:1 Intermittent Fasting in Mice
Published on: November 27, 2019
9.5K
08:30Intraperitoneal Glucose Tolerance Test, Measurement of Lung Function, and Fixation of the Lung to Study the Impact of Obesity and Impaired Metabolism on Pulmonary Outcomes
Published on: March 15, 2018
14.7K
相关概念视频
01:24Metabolic States of the Body: Fasting and Starvation
2.7K
During the initial hours of fasting, the body uses up its glycogen stores as an energy source. Once these glycogen reserves are depleted, the body begins breaking down stored triglycerides and structural proteins. During this stage, glycerol becomes a key substrate for gluconeogenesis, while free fatty acids undergo beta-oxidation to provide energy for tissues, such as skeletal muscle. In the fasting state, the body spares protein breakdown as much as possible to conserve muscle and structural...
2.7K
01:18Metabolic States of the Body: The Postabsorptive State
1.2K
The postabsorptive state usually starts about four hours after a meal and lasts until the next meal is eaten. During this time, the digestive system stops absorbing nutrients, and the body uses stored energy reserves to maintain stable blood glucose levels.
Initially, glycogen stored in the liver is broken down to release glucose into the bloodstream, while glycogen in the muscles is broken down to supply glucose for energy directly within the muscle cells. As glycogen stores diminish,...
Initially, glycogen stored in the liver is broken down to release glucose into the bloodstream, while glycogen in the muscles is broken down to supply glucose for energy directly within the muscle cells. As glycogen stores diminish,...
1.2K
01:02Glucose Homeostasis: Regulation of Blood Glucose
3.8K
Carbohydrates consumed through foods are converted into glucose, a crucial energy source for the body. In the prandial state, high blood glucose levels stimulate the secretion of insulin from the pancreas. Insulin inhibits hepatic glucose production and stimulates glucose uptake and metabolism by muscle and adipose tissue. The excess glucose is converted into glycogen and stored in the liver and muscles.
During fasting, when blood glucose levels are low, the pancreas secretes glucagon. it...
During fasting, when blood glucose levels are low, the pancreas secretes glucagon. it...
3.8K