Related Experiment Videos
Physiological responses of fire-fighter instructors during training exercises
Clare M Eglin1, Sue Coles, Michael J Tipton
1Department of Sport and Exercise Science, Institute of Biomedical and Biomolecular Sciences, University of Portsmouth, UK. clare.eglin@port.ac.uk
Ergonomics
|June 19, 2004
Summary
Firefighter training exercises induce significant heat strain, with elevated core temperatures and heart rates observed. Some instructors experienced concerning physiological responses, indicating potential risks during demanding training scenarios.
Area of Science:
- Occupational Health
- Exercise Physiology
- Environmental Heat Stress
Background:
- Firefighter training involves strenuous physical activity in high-temperature environments.
- Understanding the physiological demands is crucial for ensuring instructor safety and performance.
Purpose of the Study:
- To assess the physiological responses of male instructors during live fire training exercises.
- To identify potential risks and signs of heat strain in this population.
Main Methods:
- Monitoring core temperature, heart rate, and fluid deficit in 13 male instructors during 44 live fire exercises.
- Measuring exposure times and temperatures under fire hoods.
- Conducting a pilot study on the energy cost of simulated rescues.
Main Results:
- Mean core temperature reached 38.5°C, with eight instructors exceeding 39°C.
- Mean maximum heart rate was 138 bpm, with some exceeding 90% of HR reserve.
- Significant fluid deficits were recorded, and signs of heat strain were evident in at least two individuals.
Conclusions:
- Physiological responses to fire-fighting exercises vary significantly based on work and heat load.
- Individual responses can be concerning, highlighting the need for monitoring and potential interventions.
- Simulated rescues add considerable physiological stress, potentially increasing core temperature.