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    Wyświetlanie 1-3 z 3
    Tytuł:
    Validation of Methods for Determination of Metabolic Rate in the Edholm Scale and ISO 8996
    Autorzy:
    Giedraityte, L.
    Holmer, I.
    Gavhed, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/91003.pdf
    Data publikacji:
    2001
    Wydawca:
    Centralny Instytut Ochrony Pracy
    Tematy:
    energy expenditure
    heat production
    light and moderate work
    manual tasks
    heart rate
    wydatek energetyczny
    fizjologia układu moczowo-płciowego
    warunki pracy
    metabolizm
    Opis:
    The aim of this study was to validate the Edholm scale (Edholm, 1966) and the ISO 8996 standard (International Organization for Standardization [ISO], 1990) by comparing the metabolic rates estimated for both methods with the actual measured metabolic rate (MMeas) in 6 manual material handling tasks simulated under laboratory conditions. The metabolic rate was calculated from oxygen consumption V˙ O2 (19 participants) according to Standard No. ISO 8996 (ISO, 1990). Additionally, the participants estimated perceived exertion using the Borg scale. The metabolic rates derived from the Edholm scale (MEdh) overestimated 5 of 6 activities by 34–50% (< =.05). The metabolic rates derived from ISO 8996 (MISO) overestimated all activities by 7–38% (< =.05).
    Źródło:
    International Journal of Occupational Safety and Ergonomics; 2001, 7, 2; 135-148
    1080-3548
    Pojawia się w:
    International Journal of Occupational Safety and Ergonomics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Self-Rated Physical Loads of Work Tasks Among Firefighters
    Autorzy:
    Lindberg, A. S.
    Malm, C.
    Oksa, J.
    Gavhed, D.
    Powiązania:
    https://bibliotekanauki.pl/articles/90425.pdf
    Data publikacji:
    2014
    Wydawca:
    Centralny Instytut Ochrony Pracy
    Tematy:
    emergency personnel
    ergonomics
    physical demand
    performance tests
    ergonomia
    testy wydajnościowe
    strażacy
    Opis:
    Objectives. The present study sought to identify firefighters’ rated physical demands for the most frequently occurring work tasks and to determine if the ratings differed between full-time and part-time firefighters to help create a basis for the development of physical employment tests for firefighters. Methods. An extensive questionnaire was completed by 125 and 68 firefighters in 2000 and 2010, respectively. The data were analysed with the Mann–Whitney U test and binominal test and ranked on the basis of the responses in each category. Results. Significant differences were seen between the full- and part-time firefighters. The work tasks rated as the most physically strenuous in terms of aerobic fitness, muscle strength, work posture and body control by most respondents were smoke diving upstairs (carrying a hose), victim rescue in different ways, carrying a stretcher over terrain and pulling a hose. Conclusions. Physically strenuous work tasks should be included in the end-point performance variables used to select physical performance tests for firefighters. The part-time firefighters with no experience in several of the work tasks suggests that work-related exercises are important if both groups of firefighters are expected to do similar work.
    Źródło:
    International Journal of Occupational Safety and Ergonomics; 2014, 20, 2; 309-321
    1080-3548
    Pojawia się w:
    International Journal of Occupational Safety and Ergonomics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effectiveness of a Light-Weight Ice-Vest for Body Cooling While Wearing Fire Fighter’s Protective Clothing in the Heat
    Autorzy:
    Smolander, J.
    Kuklane, K.
    Gavhed, D.
    Nilsson, H.
    Holmer, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/90924.pdf
    Data publikacji:
    2004
    Wydawca:
    Centralny Instytut Ochrony Pracy
    Tematy:
    fire fighting
    smoke-diving
    thermal strain
    body cooling
    ice-vest
    ochrona przed skrajnymi temperaturami
    ochrona przed ciepłem
    środki ochrony indywidualnej
    odzież ochronna
    straż pożarna
    pożar
    Opis:
    The aim of the study was to examine the effects of wearing an ice-vest (ca 1 kg) on physiological and subjective responses in fire fighters. The experiments were carried out on a treadmill in a hot-dry environment. The physical cooling effect of the ice-vest was measured with a thermal manikin. The ice-vest effectively reduced skin temperatures under the vest. On average, heart rate was 10 beats/min lower, the amount of sweating was reduced by 13%, and subjective sensations of effort and warmth were lower during work with the ice-vest compared to work without it. Thermal manikin tests indicated that the useful energy available from the vest for body cooling was rather high (58%). In conclusion, the ice-vest reduces physiological and subjective strain responses during heavy work in the heat, and may promote efficient work time by 10%.
    Źródło:
    International Journal of Occupational Safety and Ergonomics; 2004, 10, 2; 111-117
    1080-3548
    Pojawia się w:
    International Journal of Occupational Safety and Ergonomics
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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