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  • Title: A comparison of two physical ability tests for firefighters.
    Author: Mamen A, Oseland H, Medbø JI.
    Journal: Ergonomics; 2013; 56(10):1558-68. PubMed ID: 24003848.
    Abstract:
    UNLABELLED: Smoke diving is physically demanding, and firefighters must therefore meet certain minimum physical requirements. The aim of this study was to compare the physiological demands of two fire fitness tests: a test of 8-min treadmill walking approved by the Norwegian Labour Inspection Authority (NLIA) (a laboratory test) and a Canadian test consisting of 10 firefighting specific tasks carried out in sequence (an applied field test). If the Canadian field test is as physically demanding as the NLIA-approved laboratory test, it may be suitable for testing Norwegian firefighters. Twenty-two male professional firefighters were tested on separate days. In both tests, the subjects wore a complete firefighting outfit including a breathing apparatus. The test durations were 8 min (NLIA test) versus approximately 6 min (Canadian test). Neither the peak O₂ uptake (VO₂) of approximately 45 ml kg⁻¹ min⁻¹ nor the blood lactate concentration (BLC) at test termination ( ≈ 9 mmol L⁻¹) differed between the two tests. Rating of perceived exertion (RPE(CR-10)) was lower for the Canadian test than for the Norwegian test (5.2 ± 1.5 vs. 7.0 ± 2.0, respectively), and the exercise time at a high VO₂ was also shorter. In conclusion, the Canadian test appeared to be almost as physically demanding as the NLIA-approved test, having equal peak VO₂ and BLC, but shorter time at a high VO₂ and shorter duration. It might thus be a suitable alternative to the NLIA test with some modifications. The advantage of the Canadian field test is the inclusion of specific firefighting-like tasks that are not part of the NLIA test. PRACTITIONER SUMMARY: The physiological load from two firefighter fitness tests was compared. The demands were found to be similar, but the field test was of a shorter duration. With some modifications, the field test may be sufficiently demanding to be used as a fire fitness test for smoke divers in Norway.
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