在不同的环境温度下进行耐力运动后,胃肠道功能
Daichi Sumi1,2,3, Kazunobu Okazaki2, Kazushige Goto4
1Institute of Sport Science, ASICS Corporation, Kobe, Japan.
European journal of applied physiology
|January 3, 2024
概括
在炎热的环境下进行耐力运动与热中性或寒冷条件相比,显著加重胃肠 (GI) 损伤和胃排空 (GE). 寒冷和热中性环境在运动期间对肠道功能产生类似的影响.
科学领域:
- 运动生理学 运动生理学
- 环境生理学环境生理学
- 胃肠道生理学 胃肠道生理学
背景情况:
- 环境温度显著影响运动期间的生理反应.
- 了解热和冷对胃肠功能的影响对于运动员和积极活动的人来说至关重要.
研究的目的:
- 研究不同环境温度对运动引起的胃肠道损伤的影响.
- 评估环境温度对耐力运动期间胃空气 (GE) 速率的影响.
主要方法:
- 11名训练有素的雄性在三个条件下进行了高强度间歇耐力运动:热中性 (23°C),热 (35°C) 和冷 (10°C).
- 血肠脂肪酸结合蛋白 (I-FABP) 水平在运动前和运动后测量,以表明胃肠道损伤.
- 胃排空 (GE) 速率是通过测量Tmax来评估的,Tmax是运动后达到13C排泄/小时的最大时间.
主要成果:
- 在热试验中,与热中和冷试验相比,直肠温度显著更高.
- 血I-FABP水平,表明胃肠道损伤,在热试验和热中和冷试验中显著升高.
- 与热中和寒冷条件相比,热环境中的胃排空 (GE) 速度显著延迟.
结论:
- 在炎热的环境中炼会加剧胃肠 (GI) 功能障碍,包括损伤和延迟胃排空.
- 耐力运动期间的胃肠道功能在热中和寒冷环境之间是可比的.
- 环境温度是影响胃肠道对运动反应的关键因素.
更多相关视频
08:21Non-invasive Assessments of Subjective and Objective Recovery Characteristics Following an Exhaustive Jump Protocol
Published on: June 8, 2017
7.7K
07:26Conducting Maximal and Submaximal Endurance Exercise Testing to Measure Physiological and Biological Responses to Acute Exercise in Humans
Published on: October 17, 2018
20.5K
相关概念视频
Exercise and Cardiovascular Response
818
Exercise significantly impacts cardiovascular response, which is crucial for understanding patient health and designing effective treatment plans.
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
Light to moderate physical activity initiates a series of interconnected responses in the body. The heart rate modestly increases in anticipation of the workout, followed by widespread vasodilation as oxygen consumption by skeletal muscles increases. This results in decreased peripheral resistance, increased capillary blood flow, and accelerated...
818
Physiology of the Gastrointestinal System III: Elimination
283
The gastrointestinal elimination process involves a complex interplay of neural and hormonal mechanisms that coordinate the final waste removal from the body. This intricate operation encompasses the absorption of water and electrolytes, vital for transforming the remaining indigestible food matter into feces. The large intestine is pivotal in water and electrolyte absorption, forming feces from unabsorbed minerals, undigested food, bacteria, bile pigments, and shed epithelial cells. Essential...
283
Factors Affecting Body Temperature
4.2K
As a nurse, it is vital to understand the factors affecting body temperature to monitor variations and effectively evaluate deviations from regular.
Factors may include:
Factors may include:
4.2K
Responses to Heat and Cold Stress
13.5K
Every organism has an optimum temperature range within which healthy growth and physiological functioning can occur. At the ends of this range, there will be a minimum and maximum temperature that interrupt biological processes.
13.5K
Requirements for Human Life
8.2K
The Earth and its atmosphere have provided humans with air, water, and food, but these are not the only requirements for survival. Humans also require a specific range of temperature and pressure that the Earth and its atmosphere provides.
Oxygen
Atmospheric air is only about 20 percent oxygen, but that oxygen is a key component of the chemical reactions that keep the body alive, including the reactions that produce ATP. Brain cells are susceptible to a lack of oxygen because they require a...
Oxygen
Atmospheric air is only about 20 percent oxygen, but that oxygen is a key component of the chemical reactions that keep the body alive, including the reactions that produce ATP. Brain cells are susceptible to a lack of oxygen because they require a...
8.2K
Body Temperature
961
The body's temperature, measured in degrees, is determined by the balance between heat production and dissipation to the surrounding environment. For instance, if exercising vigorously, the body will produce more heat, causing sweat and dissipating that heat. Despite extreme environmental conditions and physical exertion, the human temperature-control system maintains a constant core body temperature (the temperature of deep tissues, which are the tissues located beneath the skin and other...
961
