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Thermal and cardiovascular strain imposed by motorcycle protective clothing under Australian summer conditions

de Rome, Liz, Taylor, Elizabeth A., Croft, Rodney J., Brown, Julie, Fitzharris, Michael and Taylor, Nigel A. S. 2016, Thermal and cardiovascular strain imposed by motorcycle protective clothing under Australian summer conditions, Ergonomics, vol. 59, no. 4, pp. 504-513, doi: 10.1080/00140139.2015.1082632.

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Title Thermal and cardiovascular strain imposed by motorcycle protective clothing under Australian summer conditions
Author(s) de Rome, LizORCID iD for de Rome, Liz orcid.org/0000-0002-7955-6022
Taylor, Elizabeth A.
Croft, Rodney J.
Brown, Julie
Fitzharris, Michael
Taylor, Nigel A. S.
Journal name Ergonomics
Volume number 59
Issue number 4
Start page 504
End page 513
Total pages 10
Publisher Taylor & Francis
Place of publication Abingdon, Eng.
Publication date 2016-04-02
ISSN 0014-0139
1366-5847
Keyword(s) core temperature
heat loss
heat strain
metabolic heat
production
motorcycle clothing
protective clothing
protective equipment
Summary Motorcycle protective clothing can be uncomfortably hot during summer, and this experiment was designed to evaluate the physiological significance of that burden. Twelve males participated in four, 90-min trials (cycling 30 W) across three environments (25, 30, 35 °C [all 40% relative humidity]). Clothing was modified between full and minimal injury protection. Both ensembles were tested at 25 °C, with only the more protective ensemble investigated at 30 and 35 °C. At 35 °C, auditory canal temperature rose at 0.02 °C min−1 (SD 0.005), deviating from all other trials (p < 0.05). The thresholds for moderate (>38.5 °C) and profound hyperthermia (>40.0 °C) were predicted to occur within 105 min (SD 20.6) and 180 min (SD 33.0), respectively. Profound hyperthermia might eventuate in ~10 h at 30 °C, but should not occur at 25 °C. These outcomes demonstrate a need to enhance the heat dissipation capabilities of motorcycle clothing designed for summer use in hot climates, but without compromising impact protection. Practitioner’s Summary: Motorcycle protective clothing can be uncomfortably hot during summer. This experiment was designed to evaluate the physiological significance of this burden across climatic states. In the heat, moderate (>38.5 °C) and profound hyperthermia (>40.0 °C) were predicted to occur within 105 and 180 min, respectively.
Language eng
DOI 10.1080/00140139.2015.1082632
Field of Research 1106 Human Movement And Sports Science
1203 Design Practice And Management
1701 Psychology
Socio Economic Objective 0 Not Applicable
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2015, Informa UK
Persistent URL http://hdl.handle.net/10536/DRO/DU:30092621

Document type: Journal Article
Collection: Institute for Frontier Materials
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