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Comparing Acute Responses Between Single Session Circuit Training and Fireground Suppression Tasks.

Brandon Loewen¹, Bridget Melton¹, Daniel Maupin²

¹Department of Health Sciences and Kinesiology, Georgia Southern University, Statesboro, Georgia.

Journal of Strength and Conditioning Research

|July 26, 2023

Summary

This summary is machine-generated.

Circuit training (CT) and weighted circuit training (CTW) mimic fireground suppression tasks (FST) in metabolic and perceived exertion. However, CT and CTW showed lower cardiovascular responses than FST.

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Area of Science:

Exercise Physiology
Occupational Health
Sports Science

Background:

Firefighting involves strenuous physical activity, requiring specific training to prepare for fireground suppression tasks (FST).
Circuit training (CT) is a potential method for firefighter conditioning, but its effectiveness in replicating FST demands needs evaluation.

Purpose of the Study:

To compare the cardio-metabolic and perceived exertion of single-session circuit training (CT and CTW) against fireground suppression tasks (FST) in career firefighters.

Main Methods:

Twenty-three firefighters completed three testing sessions: FST (seven occupational tasks in full gear), weighted CT (CTW, 18.9kg vest), and unweighted CT.
Measurements included relative heart rate (%HRmax), blood lactate, countermovement jump height change (▵CMJ), handgrip strength change (▵DHG/▵NDHG), training time, rating of perceived exertion (RPE), and job relevance.

Main Results:

CT and CTW elicited significantly lower %HRmax and greater ▵CMJ compared to FST.
Training time was significantly shorter for CT and CTW versus FST.
CT and CTW demonstrated comparable perceived exertion and metabolic demands to FST, despite differences in cardiovascular response.

Conclusions:

Circuit training, both weighted and unweighted, can provide similar metabolic and perceived exertion benefits as fireground suppression tasks for firefighters.
CT and CTW do not fully replicate the cardiovascular demands of FST, indicating they are beneficial but not a complete substitute for occupational tasks.