Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Exercise and Cardiovascular Response01:20

Exercise and Cardiovascular Response

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...
Responses to Heat and Cold Stress02:45

Responses to Heat and Cold Stress

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.
Exercise and Cardiac Output01:17

Exercise and Cardiac Output

Regular physical activity is essential for maintaining cardiovascular health, with aerobic exercises being particularly effective. According to the American Heart Association, 150 minutes of moderate to intense aerobic exercise per week is recommended for a healthy heart. Aerobic activities may include brisk walking, running, bicycling, cross-country skiing, and swimming, ideally performed three to five times per week.
Sustained exercise increases the muscles' oxygen demand, which can be met...
Hot Weather Concreting01:20

Hot Weather Concreting

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,...
Requirements for Human Life01:26

Requirements for Human Life

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...
Exercise and Muscle Performance01:27

Exercise and Muscle Performance

Exercise induces a range of adaptations in muscle tissue, depending on the type and duration of activity. Such physical training can be broadly categorized into two types: endurance exercises and resistance exercises.
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Effects of exercise in cool versus hot conditions on pathways of gut permeability, systemic inflammation, and iron homeostasis in female athletes.

Physiological reports·2026
Same author

Examining Daily Associations of Nature Exposure, Body Appreciation, and Physical Activity Among Adolescents.

Health education & behavior : the official publication of the Society for Public Health Education·2026
Same author

Evidence of histamine release in response to both aerobic and resistance exercise: histamine metabolites as biomarkers.

Journal of applied physiology (Bethesda, Md. : 1985)·2026
Same author

Dry and humid heat acclimation induces similar adaptations and cross-acclimation benefits in trained male cyclists.

The Journal of physiology·2026
Same author

Mild hyperbaric oxygen therapy on subjective sleep quality, aerobic, anaerobic exercise test, brain and muscle tissue oxygenation response in Chinese University male athletes after muscle fatigue.

BMC sports science, medicine & rehabilitation·2026
Same author

Tribute to a great and unique thermal physiologist - Leo Charles Senay.

Temperature (Austin, Tex.)·2026

Related Experiment Video

Updated: Jun 10, 2026

A Swimming-Induced Zebrafish Exercise Apparatus for Versatile Training Approaches
10:34

A Swimming-Induced Zebrafish Exercise Apparatus for Versatile Training Approaches

Published on: October 18, 2024

Heat acclimation improves exercise performance.

Santiago Lorenzo1, John R Halliwill, Michael N Sawka

  • 1Dept. of Human Physiology, Univ. of Oregon, Eugene, OR 97403-1240, USA.

Journal of Applied Physiology (Bethesda, Md. : 1985)
|August 21, 2010
PubMed
Summary
This summary is machine-generated.

Heat acclimation significantly enhances exercise performance in both cool and hot environments. This 10-day program improved maximal aerobic power, time-trial performance, and lactate threshold in trained cyclists.

More Related Videos

Field-Based Thermal Physiology Assay: Cold Shock Recovery under Ambient Conditions
07:54

Field-Based Thermal Physiology Assay: Cold Shock Recovery under Ambient Conditions

Published on: March 9, 2021

A Preclinical Model of Exertional Heat Stroke in Mice
08:22

A Preclinical Model of Exertional Heat Stroke in Mice

Published on: July 1, 2021

Related Experiment Videos

Last Updated: Jun 10, 2026

A Swimming-Induced Zebrafish Exercise Apparatus for Versatile Training Approaches
10:34

A Swimming-Induced Zebrafish Exercise Apparatus for Versatile Training Approaches

Published on: October 18, 2024

Field-Based Thermal Physiology Assay: Cold Shock Recovery under Ambient Conditions
07:54

Field-Based Thermal Physiology Assay: Cold Shock Recovery under Ambient Conditions

Published on: March 9, 2021

A Preclinical Model of Exertional Heat Stroke in Mice
08:22

A Preclinical Model of Exertional Heat Stroke in Mice

Published on: July 1, 2021

Area of Science:

  • Exercise Physiology
  • Environmental Adaptations
  • Sports Science

Background:

  • Heat acclimation is known to improve exercise capacity in hot conditions.
  • The effects of heat acclimation on performance in temperate-cool environments are less understood.
  • Understanding these adaptations can optimize training protocols for athletes.

Purpose of the Study:

  • To investigate the impact of a 10-day heat acclimation program on exercise performance in both cool and hot environments.
  • To determine if heat acclimation improves physiological markers such as maximal aerobic power (VO2max), time-trial performance, and lactate threshold.
  • To compare the effects of heat acclimation with a control group undergoing standard cool environment training.

Main Methods:

  • Twelve trained cyclists underwent a 10-day heat acclimation program (exercising at ~50% VO2max in 40°C).
  • Performance tests (VO2max, time-trial, lactate threshold) were conducted in cool (13°C) and hot (38°C) conditions before and after acclimation.
  • Control group (eight subjects) performed identical tests after 10 days of cool environment exercise.

Main Results:

  • Heat acclimation increased VO2max by 5% in cool and 8% in hot conditions.
  • Time-trial performance improved by 6% in cool and 8% in hot conditions post-acclimation.
  • Power output at lactate threshold increased by 5% in both cool and hot conditions; control group showed no significant changes.

Conclusions:

  • Heat acclimation demonstrably improves aerobic exercise performance, even in temperate-cool conditions.
  • The physiological adaptations include increased plasma volume and maximal cardiac output.
  • These findings support the integration of heat acclimation into physical training programs to enhance overall athletic performance.