Heat stress in the training environment

David F. Clark, Denise L. Smith, Steven J. Petruzzello, Bradley G. Bone

Research output: Contribution to specialist publicationArticle


A study was conducted to investigated selected physiological and psychological responses of firefighters to firefighting tasks in a concrete burn building containing controlled live fires. Fifteen male career volunteer firefighters performed two firefighting tasks for eight minutes each while inside the concrete burn building. Heart rate measurements were obtained from a wireless heart rate monitor worn by the subjects. Following this, psychological measurements were obtained. The combination of physical exertion in protective turnout gear and high thermal load led to near maximal heart rates and significantly elevated tympanic temperatures after only 16 minutes of firefighting activities. The blood lactate data indicate that firefighters are working above OBLA but rely predominantly on aerobic metabolism to support firefighting activities in the heat.

Original languageEnglish (US)
Pages163-164, 166, 168
Specialist publicationFire Engineering
StatePublished - Mar 1 1998

ASJC Scopus subject areas

  • Safety, Risk, Reliability and Quality
  • Chemical Health and Safety

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