Self-pacing as a protective mechanism against the effects of heat stress

Veronica Miller, Graham Bates, John D. Schneider, Jens Thomsen

Research output: Contribution to journalArticlepeer-review

59 Citations (Scopus)

Abstract

Objective: Self-pacing or avoidance of physiological strain by adjustment of work rate may be an important protective behaviour for manual workers in severe thermal conditions. Data were gathered at a number of industrial sites in the United Arab Emirates to assess whether self-pacing takes place in these workers.Methods: Heart rate and aural temperature were monitored in 150 subjects for 12 h daily over 2 consecutive days. Environmental parameters were measured for quantification of heat stress by the thermal work limit.Results: There was no evidence of an effect of variation in environmental thermal stress on either average working heart rate or aural temperature.Conclusion: These studies provide evidence that self-pacing is a protective response to working in heat which does not require a highly informed workforce; recognition of this should form part of a holistic approach to management of heat stress in hot climates.

Original languageEnglish
Pages (from-to)548-555
Number of pages8
JournalAnnals of Occupational Hygiene
Volume55
Issue number5
DOIs
Publication statusPublished - Jun 2011

Keywords

  • Thermal Work Limit
  • heat adaptation behaviour
  • heat management
  • heat stress
  • manual work
  • self-pacing
  • thermal strain

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health

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