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Pubmed for Handhelds

PUBMED FOR HANDHELDS

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  • Title: Evaluation of performance and load in simulated rescue tasks for a novel design SCBA: effect of weight, volume and weight distribution.
    Author: Griefahn B, Künemund C, Bröde P.
    Journal: Appl Ergon; 2003 Mar; 34(2):157-65. PubMed ID: 12628573.
    Abstract:
    A self-contained breathing apparatus (SCBA) with an innovative rucksack shape that provides a better distribution of its weight over the middle and lower parts of the back (device C: 6l, 13.7 kg) was compared with two conventional SCBA which differed from each other in volume and weight (A: 6l, 15 kg, B: 6.8l, 11.7 kg). Twelve fire-fighters (27-49 yr) performed three exercises while using the three SCBA in a systematically permuted sequence. The exercises consisted of simulated rescue work under natural climatic conditions in a dwelling on the second floor and several typical elements of severe fire-fighting actions. Duration, heart rate, breathing frequency, rectal temperature, and sweat loss were recorded. Perceived exertion was rated and the carrying features of the SCBA were subjectively evaluated. The exercise was executed faster with the rucksack device, heart rates were then lower and the carrying features were evaluated as better. Thus, the weight of the SCBA was shown to be less important than its distribution.
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