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

Responses to Heat and Cold Stress02:45

Responses to Heat and Cold Stress

14.6K
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.
14.6K
Factors Affecting Body Temperature01:28

Factors Affecting Body Temperature

8.4K
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:
8.4K
Body Temperature01:07

Body Temperature

1.3K
Body temperature reflects the equilibrium between heat production and heat loss within the body. Most heat is generated by metabolically active tissues, particularly the liver, heart, brain, kidneys, and endocrine organs. At rest, skeletal muscles contribute 20–30% of total heat production, but during vigorous exercise, this can increase up to 30–40 times.
The average body temperature is approximately 37°C (98.6°F) and typically ranges from 36.1–37.2°C...
1.3K
Body Temperature01:25

Body Temperature

3.9K
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...
3.9K
Assessing Body Temperature - Rectal01:27

Assessing Body Temperature - Rectal

10.5K
Rectal temperature measurement is considered the most precise method for assessing core body temperature and typically registers higher than oral temperature. For adults, the rectal thermometer should be inserted 1 to 1.5 inches into the rectum to obtain the most accurate reading.
Follow these steps for rectal temperature assessment:
Step 1: Perform hand hygiene and don clean gloves to prevent cross-infection.
Step 2: Position the patient in a side-lying position to better visualize the rectal...
10.5K
Thermoregulation01:26

Thermoregulation

2.2K
The human body has a sophisticated thermoregulation system that employs negative feedback mechanisms to maintain an optimal core temperature. When the core temperature drops, peripheral and central thermoreceptors send signals to the hypothalamus, activating the heat-promoting center. This center triggers several responses aimed at increasing the core temperature. First, vasoconstriction reduces the flow of warm blood from internal organs to the skin so that the heat is not lost from the skin,...
2.2K

You might also read

Related Articles

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

Sort by
Same author

Reply to Kenny.

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

Scientific Utility of Emerging Indicators in Relative Energy Deficiency in Sport (REDs) Severity/Risk Assessment.

Scandinavian journal of medicine & science in sports·2026
Same author

Evolution of the Australian Institute of Sport Supplement Program over the last 25 years.

International journal of sports medicine·2026
Same author

From cough variant asthma to lobectomy: a rare cause of chronic cough revealed.

Thorax·2026
Same author

Expert consensus on passive heating interventions to promote skeletal muscle strength and mass: a delphi study.

European journal of applied physiology·2026
Same author

Sport-Specific Impact Loading is Associated with Bone Mineral Density in Athletes: Implications for Relative Energy Deficiency in Sport (REDs) Assessment.

Sports medicine (Auckland, N.Z.)·2026

Related Experiment Video

Updated: Dec 29, 2025

Using an Ingestible Telemetric Temperature Pill to Assess Gastrointestinal Temperature During Exercise
08:22

Using an Ingestible Telemetric Temperature Pill to Assess Gastrointestinal Temperature During Exercise

Published on: October 7, 2015

10.9K

Core Temperature Responses to Elite Racewalking Competition.

Christopher John Stevens, Megan L Ross, Julien D Périard

    International Journal of Sports Physiology and Performance
    |February 6, 2020
    PubMed
    Summary
    This summary is machine-generated.

    Elite race walkers experienced high core body temperatures over 40°C during competition, even with cooling strategies. This study monitored rectal temperatures in elite race walkers during outdoor events.

    Keywords:
    Commonwealth Gamesathleticsheat stressphysiologythermoregulation

    More Related Videos

    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

    4.2K
    The Use of Thermal Infra-Red Imaging to Detect Delayed Onset Muscle Soreness
    08:51

    The Use of Thermal Infra-Red Imaging to Detect Delayed Onset Muscle Soreness

    Published on: January 22, 2012

    19.7K

    Related Experiment Videos

    Last Updated: Dec 29, 2025

    Using an Ingestible Telemetric Temperature Pill to Assess Gastrointestinal Temperature During Exercise
    08:22

    Using an Ingestible Telemetric Temperature Pill to Assess Gastrointestinal Temperature During Exercise

    Published on: October 7, 2015

    10.9K
    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

    4.2K
    The Use of Thermal Infra-Red Imaging to Detect Delayed Onset Muscle Soreness
    08:51

    The Use of Thermal Infra-Red Imaging to Detect Delayed Onset Muscle Soreness

    Published on: January 22, 2012

    19.7K

    Area of Science:

    • Sports Medicine
    • Environmental Physiology
    • Exercise Science

    Background:

    • Core temperature regulation is critical during endurance exercise.
    • Previous studies focused on recreational athletes and cooling strategies.
    • Elite athletes may exhibit different thermoregulatory responses.

    Purpose of the Study:

    • To determine peak rectal temperatures in elite race walkers during competition.
    • To document the cooling strategies employed by these athletes.
    • To assess the relationship between high core temperatures and heat illness symptoms.

    Main Methods:

    • Rectal temperature was measured using telemetric capsules in 14 elite/pre-elite race walkers.
    • Data were collected across four outdoor events with varying temperatures and humidity.
    • Cooling strategies and heat illness symptoms were recorded.

    Main Results:

    • Peak rectal temperatures exceeded 40°C in all events, reaching a maximum of 41.2°C.
    • High temperatures occurred without significant heat illness, except for one case of cramping.
    • Cooling strategies were only used in one event, with no steady-state temperature observed in shorter 10-km races.

    Conclusions:

    • Elite race walkers can reach dangerously high core temperatures (>40°C) in moderate-warm conditions.
    • Existing precooling and midcooling strategies may not be sufficient to prevent extreme hyperthermia.
    • Further research is needed on effective thermoregulation for elite endurance athletes in heat.