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Related Concept Videos

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...
Equipments Used to Measure Body Temperature01:13

Equipments Used to Measure Body Temperature

Body temperature can be assessed using various devices and measured in Celsius or Fahrenheit.
Glass-bulb Thermometer:
Glass-bulb thermometers are hollow glass tubes with a bulb tip containing liquid such as ethanol or mercury. Historically, glass bulb mercury thermometers were the standard device to measure body temperature. Today, mercury thermometers are prohibited in many countries due to the hazardous effects of mercury and the risk of exposure if the glass bulb breaks. In general,...
Assessing Body Temperature - Rectal01:27

Assessing Body Temperature - Rectal

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...
Assessing Body Temperature - Temporal Artery01:19

Assessing Body Temperature - Temporal Artery

Here is a stepwise guide to assessing the body temperature at the temporal artery using a temporal artery thermometer
Step 1: Perform hand hygiene and don a fresh pair of gloves to prevent cross-infection and ensure patient safety.
Step 2: Explain the procedure to the patient to establish trust. Clear communication establishes trust with the patient, ensures they understand what to expect, promotes cooperation, and enhances comfort during the procedure.  
Step 3: Assess the patient's forehead...
Assessing Body Temperature - Oral01:14

Assessing Body Temperature - Oral

Here are the steps to accurately measure oral temperature using an electronic thermometer:
Step 1:
Start by practicing proper hand hygiene to prevent the spread of microorganisms.
Step 2:
Take the thermometer out of the charging unit, switch it on, and wait for the ready sign.
Step 3:
Gently slide the probe cover until a click is heard. This simple action prevents cross-contamination and ensures the correct placement of the probe cover.
Step 4:
Instruct the patient to open their mouth and place...
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...

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Related Experiment Video

Updated: Jun 6, 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

Core-temperature sensor ingestion timing and measurement variability.

Joseph W Domitrovich1, John S Cuddy, Brent C Ruby

  • 1The University of Montana, Missoula, MT 59812-1825, USA.

Journal of Athletic Training
|November 11, 2010
PubMed
Summary
This summary is machine-generated.

Ingesting telemetric core-temperature sensors at different times before exercise does not affect core temperature readings. This finding supports the reliability of these sensors for monitoring body temperature during athletic events.

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Published on: September 14, 2018

Area of Science:

  • Sports Medicine
  • Physiology
  • Biotechnology

Background:

  • Telemetric core-temperature monitoring is increasingly utilized for noninvasive assessment during athletic events.
  • Accurate core temperature measurement is crucial for athlete safety and performance optimization.

Purpose of the Study:

  • To investigate the impact of sensor ingestion timing on serial core temperature measurements during continuous exercise.
  • To evaluate the reliability of telemetric core-temperature sensors under varying ingestion schedules.

Main Methods:

  • A crossover study design was employed with seven healthy participants.
  • Participants completed a 45-minute exercise trial in cold ambient conditions (4.4°C).
  • Core-temperature sensors were ingested 24 hours (P1) and 40 minutes (P2) prior to exercise.

Main Results:

  • No significant differences in core temperature readings were observed between the two sensor ingestion timings (P1 = 38.3°C ± 0.2°C, P2 = 38.3°C ± 0.4°C).
  • Analysis revealed no main effect for trial or trial × time interaction.
  • Continuous core temperature data were recorded at 1-minute intervals.

Conclusions:

  • The timing of telemetric sensor ingestion does not significantly alter core temperature measurements during continuous exercise.
  • Assumed sensor location within the gastrointestinal tract does not affect the reliability of core temperature readings.
  • Telemetric core-temperature monitoring provides repeatable measures during exercise in cold environments.