子水:一个体育饮料替代品?
Brendan J O'Brien1, Leo R Bell1, Declan Hennessy2
1Institute of Health and Wellbeing, Federation University Australia, Mount Helen, VIC 3350, Australia.
Sports (Basel, Switzerland)
|September 27, 2023
概括
子水为耐力骑自行车的运动饮料提供了类似的水合效益. 这项研究发现,子水和运动饮料之间的自行车表现或关键生理反应没有显著差异.
科学领域:
- 运动生理学 运动生理学
- 运动营养 运动营养
- 耐力运动是一种耐力运动.
背景情况:
- 正在探索子水作为商业运动饮料的天然替代品,以保持水分.
- 关于子水在支持耐力骑自行车表现和生理学方面的有效性,科学证据有限.
研究的目的:
- 为了比较子水与运动饮料对骑自行车表现和生理反应的影响.
- 评估子水作为耐力骑自行车运动员的水化策略.
主要方法:
- 一个随机交叉试验,涉及19名经验丰富的骑自行车者 (15名男性,4名女性).
- 参与者完成了两项试验:在90分钟的次最大循环中,消费体育饮料或低热量子水.
- 通过20公里的模拟计时试验来评估表现;生理标志物包括血糖,乳酸,汗流和心率.
主要成果:
- 在骑自行车计时赛的表现或在大多数生理变量中,在子水和运动饮料之间没有观察到显著的差异.
- 效果大小分析显示只有微不足道的差异,除了与子水稍微降低血糖.
- 这两种水化策略在耐力骑自行车时产生了可比的结果.
结论:
- 子水是传统体育饮料的可行替代品,可以在耐力骑行期间保持水分和表现.
- 这些发现表明,子水可以支持生理反应,类似于运动饮料在这种情况下.
相关概念视频
Adaptations that Reduce Water Loss
25.7K
Though evaporation from plant leaves drives transpiration, it also results in loss of water. Because water is critical for photosynthetic reactions and other cellular processes, evolutionary pressures on plants in different environments have driven the acquisition of adaptations that reduce water loss.
25.7K
Regulation of Water Intake
545
Osmolality refers to the number of solute particles per kilogram of solvent in a solution. Plasma osmolality specifically indicates the total number of solute particles per kilogram of water in blood plasma. This value reflects the body's hydration status and is tightly regulated through mechanisms controlling water intake and output. While water consumption is a conscious decision, the body has intrinsic regulatory systems to maintain fluid balance. Dehydration, a state of water deficit...
545
Body Water Content and Fluid Compartments
772
Life's biochemical processes occur within aqueous solutions. Solutes are substances that are dissolved within these solutions. The human body contains a variety of solutes, which can differ across various body parts. These can encompass proteins—such as those responsible for clotting and carbohydrate transport—as well as electrolytes. In medicine, an electrolyte is often described as a mineral ion derived from a salt possessing an electric charge. Examples include sodium ions...
772
Strength and Heat of Hydration
264
The hydration of cement is an exothermic reaction in which heat is generated as cement hydrates. This heat of hydration is critical to cement's strength development. The rate at which this heat is generated affects the temperature rise, with a majority of the heat being released early in the hydration process, half within the first three days, and about 75% within the first week.
The heat of hydration for each cement compound is significant; for instance, tricalcium aluminate (C3A) and...
The heat of hydration for each cement compound is significant; for instance, tricalcium aluminate (C3A) and...
264
Mineral, Vitamin and Water Absorption
477
Electrolytes are essential minerals and ions primarily obtained from the diet and absorbed through the gastrointestinal tract. Most electrolytes are absorbed in the small intestine. While the absorption of iron and calcium primarily occurs in the duodenum, calcium is also absorbed in the jejunum and ileum. In these regions, passive diffusion contributes to its absorption alongside active transport mechanisms in the duodenum. These ions can exit the enterocytes through specialized active...
477
Water and Mineral Acquisition
33.1K
Specialized tissues in plant roots have evolved to capture water, minerals, and some ions from the soil. Roots exhibit a variety of branching patterns that facilitate this process. The outermost root cells have specialized structures called root hairs that increase the root surface, thus increasing soil contact. Water can passively cross into roots, as the concentration of water in the soil is higher than that of the root tissue. Minerals, in contrast, are actively transported into root cells.
33.1K


