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Träfflista för sökning "WFRF:(Holmér Ingvar) ;lar1:(ki)"

Sökning: WFRF:(Holmér Ingvar) > Karolinska Institutet

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1.
  • Giedraityte, Lina, et al. (författare)
  • Validation of methods for determination of metabolic rate in the Edholm scale and ISO 8996
  • 2001
  • Ingår i: International Journal of Occupational Safety and Ergonomics. - : Informa UK Limited. - 1080-3548 .- 2376-9130. ; 7:2, s. 135-48
  • Tidskriftsartikel (refereegranskat)abstract
    • 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 VO2 (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% (alpha = .05). The metabolic rates derived from ISO 8996 (MISO) overestimated all activities by 7-38% (alpha = .05).
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2.
  • Holmér, Ingvar, et al. (författare)
  • Classification of metabolic and respiratory demands in fire fighting activity with extreme workloads
  • 2007
  • Ingår i: Applied Ergonomics. - : Elsevier BV. - 1872-9126 .- 0003-6870. ; 38:1, s. 45-52
  • Tidskriftsartikel (refereegranskat)abstract
    • Fire fighting work comprises work tasks requiring an energy yield at maximal or close to maximal levels of the individual. Due to the very nature of fire fighting more complex physiological variables are difficult to measure. We measured metabolic and respiratory responses in 15 male.. professional fire fighters during simulated work tasks on a test ground. Work time was on the average 22 min with individual components of work tasks lasting 2-4 min. The mean oxygen consumption for the whole exercise (22 min) was 2.75 +/- 0.291/min. The most demanding work task demanded an oxygen uptake of 3.55 +/- 0.271/min. Corresponding values for respiratory minute volumes were 82 +/- 14 and 102 +/- 141/min, respectively. Heart rates averaged 168 +/- 12 for the whole test and 179 +/- 13 beats/min for the heaviest work task. Two new classes for classification of intensive and exhausting, short term physical work are proposed for inclusion in ISO8996 and values for relevant parameters are proposed. (c) 2006 Elsevier Ltd. All rights reserved.
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  • Resultat 1-2 av 2
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tidskriftsartikel (2)
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refereegranskat (2)
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Holmér, Ingvar (2)
Gavhed, Desiree (2)
Giedraityte, Lina (1)
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Karolinska Institutet  (2)Ta bort avgränsningen
Luleå tekniska universitet (1)
Lunds universitet (1)
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Engelska (2)
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