环境,生理,感知和行为预测的平均和最终公里步伐在实验室的自动步调10公里跑在炎热的条件下

相关实验视频

Updated: Jan 23, 2026

06:14

Translational Rabbit Model of Chronic Cardiac Pacing

Published on: January 6, 2023

3.1K

Marcelo T Andrade¹, Matheus M S Nunes-Leite², Rúbio S Bruzzi²

¹Exercise Physiology Laboratory, School of Physical Education, Physiotherapy and Occupational Therapy, Universidade Federal de Minas Gerais, Belo Horizonte (MG), Brazil; Exercise Physiology and Health Laboratory, Universidade Federal da Bahia, Salvador, (BA), Brazil.

Journal of thermal biology

|January 21, 2026

概括

热量通过影响生理和感知因素,损害了耐力跑步的表现. 优化空气流,水合,有氧健身和节奏策略可以改善在炎热条件下的表现.

科学领域:

运动生理学运动生理学
环境生理学环境生理学
运动科学运动科学运动科学

背景情况:

耐力表现依赖于综合的生理,感知和行为因素.
环境热应激显著损害了耐力表现.
了解热量对性能调节的影响至关重要.

研究的目的:

为了确定10公里运行在炎热条件 (33°C) 中平均和最终公里步伐的预测因素.
研究生理学,环境和感知因素在热中节奏的相互作用.
在炎热的环境中为提高运动表现的战略提供信息.

主要方法:

分析了75名休运动员在33°C的实验室中进行的10公里计时试验.
独立变量包括VO2MAX,汗流,气流,WBGT,核心温度变化,HR,RPE,节奏策略和身体质量变化.
使用分层多重线性回归来确定平均和最终公里步伐的预测指标.

主要成果:

平均速度主要由空气速度,核心温度变化,VO2MAX,WBGT,早期核心温度变化和身体质量变化 (R2=0.543) 预测.
最终公里速度最好地预测的是负分割节奏策略,心率和RPE (R2=0.303).
这些因素凸显了热应力下节奏调节的综合性质.

结论:

在炎热的条件下节奏是生理,环境,行为和感知机制的复杂整合.
干预措施应侧重于改善有氧健身,早期控制核心温度,优化空气流和水分.
建议采用RPE引导的保守或负分裂节奏策略,以获得炎热天气的性能.

关键词:

运动表现体育表现.身体温度身体温度环境环境环境环境运动测试运动测试热量热量热量热量感知感知感知感知身体的耐力身体的耐力风风风是一个风.

相关概念视频

01:21

Masonry in Cold and Hot Weather Conditions

337

In cold weather, masonry construction requires specific precautions to ensure mortar does not freeze before curing, as this can significantly weaken its strength and watertightness. Mortar temperature should be maintained between 60°F and 80°F to support proper hydration and curing. Below 40°F, mortar water must be heated, but should not exceed 120°F as high temperatures can reduce mortar's compressive and bond strength.
Other key practices include keeping masonry units...

337

01:28

Causes of Social Behavior III: Biological and Environmental Influences

244

Social behavior is a complex phenomenon that arises from the interaction between biological predispositions and environmental influences. This intricate interplay shapes how individuals think, feel, and act in various social contexts. Understanding these mechanisms requires insights from psychology, neuroscience, genetics, and evolutionary theory.Environmental Influences on Social BehaviorEnvironmental factors, including temperature, odors, and visual stimuli, play a crucial role in shaping...

244

01:12

Perceptual Constancy

1.3K

Perceptual constancy is the ability to recognize that objects remain consistent and unchanged even when their appearance varies due to changes in sensory input. There are four main types of perceptual constancy: size constancy, shape constancy, color constancy, and brightness constancy.
Size constancy is the recognition that an object remains the same size, even when its image on the retina changes. For instance, a bus is perceived to be large enough to carry people, even if it looks tiny from...

1.3K

01:20

Hot Weather Concreting

308

Concreting at elevated temperatures accelerates the hydration process, leading to quicker setting but potentially reducing the long-term strength of the concrete structure. Additionally, low air humidity fosters rapid moisture loss from the concrete, resulting in reduced workability, pronounced plastic shrinkage, and a higher likelihood of crazing.
Mitigating the heat increase in concrete can be economically achieved by shading aggregate stockpiles to prevent heating from solar radiation,...

308

00:54

What is Behavior?

10.2K

Behaviors are actions that an organism engages in—they can be related to finding food, reproducing, defending against threats, and many other possible actions. Behaviors include activities related to the environment around the animal—such as migration—as well as social interactions within a species or population. Many behaviors involve motor output—that is, muscle movements—while others involve less visible actions, such as learning.

10.2K

01:25

Physiological Barriers

5.1K

Physiological barriers are semi-permeable cellular structures restricting drug diffusion into intracellular compartments and tissues. There are six types of physiological barriers: blood endothelial, cell membrane, blood-brain, blood-cerebrospinal fluid (CSF), blood-placenta, and blood-testis barriers.
The blood endothelial barrier is the most porous of these. It allows all small ionized, un-ionized, and lipophilic molecules to pass through the endothelial lining into the interstitial space...