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Related Concept Videos

Factors Affecting Body Temperature01:28

Factors Affecting Body Temperature

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:
Temperature Measurement Sites01:14

Temperature Measurement Sites

A thermometer measures body temperature. The common sites for measuring body temperature are the oral cavity, axillary region, temporal artery, and skin surface, such as the forehead, abdomen, and axilla. True core body temperature is assessed in the rectum, tympanic membrane, pulmonary artery, esophagus, and urinary bladder.
Oral: When assessing oral temperature, the thermometer tip should be placed under the tongue in the posterior sublingual pocket. It offers accurate readings and can be...
Body Temperature01:07

Body Temperature

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 (97–99°F), remaining relatively stable...
Body Temperature01:25

Body Temperature

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...
Increased Body Temperature01:25

Increased Body Temperature

A body temperature above  38°C  (100.4 °F) is known as fever or pyrexia, and a person with fever is termed 'febrile.' Typically, the hypothalamus, a part of the brain that acts as the body's thermostat, regulates body temperature through a thermoregulatory setpoint. It receives signals from cold and warm thermal receptors throughout the body and adjusts the body's temperature accordingly. Fever occurs when this hypothalamic setpoint is altered, usually in response to an infection or illness.
Decreased Body Temperature01:29

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 sustained extreme cold exposure, and severe...

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Related Experiment Video

Updated: May 14, 2026

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

Lower head temperature does not affect children's self-paced running velocity.

João Ferreira Júnior1, Angelo Martini, Diego Borba

  • 1Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil.

Pediatric Exercise Science
|February 15, 2013
PubMed
Summary

Wearing a peaked cap (CAP) did not improve children's running performance during sun exposure. While caps slightly reduced head temperature, this effect was insufficient to impact exercise velocity or physiological responses.

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Area of Science:

  • Environmental Physiology
  • Pediatric Exercise Science
  • Sports Medicine

Background:

  • Children's susceptibility to heat stress during outdoor exercise.
  • The potential role of headwear in mitigating heat strain.
  • Limited research on the efficacy of peaked caps for enhancing pediatric exercise performance in the sun.

Purpose of the Study:

  • To investigate the effect of wearing a peaked cap on children's exercise performance under solar radiation.
  • To determine if a peaked cap influences physiological responses during outdoor running.
  • To assess the impact of head cooling via a cap on exercise capacity in children.

Main Methods:

  • Nineteen healthy children completed two randomized 6km self-paced runs.
  • One condition involved wearing a peaked cap (CAP), the other did not (NOCAP).
  • Physiological and environmental variables were monitored during outdoor exercise sessions.

Main Results:

  • No significant difference in running velocity was observed between the CAP and NOCAP conditions.
  • A statistically significant reduction of 1.1°C in mean head temperature was noted with the cap.
  • Skin temperature, heart rate, perceived exertion, and thermal comfort indices remained comparable between conditions.

Conclusions:

  • A peaked cap does not enhance running performance in children during sun exposure.
  • The observed reduction in head temperature is insufficient to elicit significant improvements in exercise capacity.
  • Further research may explore different types of headwear or environmental conditions.