Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Video

Updated: Jan 17, 2026

Non-invasive Assessments of Subjective and Objective Recovery Characteristics Following an Exhaustive Jump Protocol

Non-invasive Assessments of Subjective and Objective Recovery Characteristics Following an Exhaustive Jump Protocol

Published on: June 8, 2017

Effect of Exercise Intensity on Active Rewarming From Outdoor Cold-Water Immersion.

Matthew N Peterson¹, Tony C Duong^1,2, Rebecca S Weller^1,2

¹Department of Warfighter Performance, Naval Health Research Center, San Diego, CA 92152, United States.

Military Medicine

|September 24, 2025

Summary

This summary is machine-generated.

Related Concept Videos

Exercise and Cardiovascular Response

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 Stress

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 Output

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...

Thermoregulation

Thermoregulation

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,...

Requirements for Human Life

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...

Decreased Body Temperature

Decreased Body Temperature

A decreased body temperature can occur in patients with hypothermia and frostbite. Heat loss with extended cold exposure overpowers the body's ability to create heat, resulting in hypothermia. Core temperature readings help classify hypothermia. Mild hypothermia is temperatures between 32 °C (89.6 °F) and 35°C (95 °F) and is caused by impaired thermoregulation. Moderate hypothermia is temperatures between 28 C (82.4 °F) and 32 °C (89.6 °F) caused by...

You might also read

Related Articles

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

Sort by

Same author

Cold-induced vasodilation: A meta-analysis.

Temperature (Austin, Tex.)·2026

Same author

Personalization of military load carriage simulations affects muscle and joint contact forces.

Journal of biomechanics·2026

Same author

Simulated Cold-Weather Casualty Evacuations: An Initial Comparison Between a Traditional and Novel Casualty Evacuation Ecosystem for Casualty Transport.

Military medicine·2025

Same author

The Effects of 10-Minute Outdoor Cold-Water Immersion on Postural Stability.

Military medicine·2025

Same author

Transcutaneous electrical nerve stimulation enhances locomotor adaptation savings in people with multiple sclerosis.

Brain communications·2025

Same author

Effect of exercise on Fibroblast Growth Factor 21 levels in healthy males and females.

PloS one·2025

Rewarming from cold-water immersion (CWI) using low-intensity or moderate-intensity exercise showed similar core, hand, and foot temperature recovery. Moderate-intensity exercise did not worsen the afterdrop effect, allowing warfighters flexibility in rewarming intensity.

Area of Science:

Environmental Physiology
Exercise Physiology

Background:

Cold-water immersion (CWI) poses a significant risk to warfighters in cold environments.
The afterdrop effect causes core temperature to continue decreasing even after removal from cold exposure.

Purpose of the Study:

To investigate the impact of exercise intensity on rewarming effectiveness following CWI.
To determine if moderate-intensity exercise exacerbates the afterdrop effect.

Main Methods:

28 military personnel underwent 10-minute CWI in 1.3°C water.
Participants then engaged in 40 minutes of either low-intensity (30% VO2R) or moderate-intensity (45% VO2R) exercise.
Core, hand, and foot temperatures, along with heart rate, were continuously monitored.

Main Results:

More Related Videos

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

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

Published on: March 9, 2021

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

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

Published on: October 7, 2015

Related Experiment Videos

Last Updated: Jan 17, 2026

Non-invasive Assessments of Subjective and Objective Recovery Characteristics Following an Exhaustive Jump Protocol

Non-invasive Assessments of Subjective and Objective Recovery Characteristics Following an Exhaustive Jump Protocol

Published on: June 8, 2017

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

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

Published on: March 9, 2021

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

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

Published on: October 7, 2015

Heart rate was significantly higher in the moderate-intensity group after 20 minutes.
Core, hand, and foot temperatures showed significant changes over time but were similar between exercise groups.
No significant group-by-time interaction effects were observed for temperature recovery.

Conclusions:

Rewarming rates for core, hands, and feet were comparable between low- and moderate-intensity exercise protocols.
Moderate-intensity exercise does not worsen the afterdrop effect post-CWI.
Warfighters can choose rewarming exercise intensity based on comfort and operational needs.