Journal of Korean Society of Occupational and Environmental Hygiene (한국산업보건학회지)

Korean Industrial Hygiene Association (한국산업보건학회)
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Comparison between Heart Rates and Borg's Scale as a Tool to Evaluate Physical Workload

작업 현장에서 육체적 작업 강도를 평가하는 도구로서 Borg's Scale과 심박 수의 비교

  • 김병훈 (EHS 이음 과학기술인 협동조합) ;
  • 박지영 (EHS 이음 과학기술인 협동조합) ;
  • 탁상우 (EHS 이음 과학기술인 협동조합)
  • Received : 2019.06.10
  • Accepted : 2019.08.20
  • Published : 2019.09.30
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Abstract

Objectives: To examine the associations of borg's scale with actual heart rates of workers and energy consumption during their physical work. Methods: A total of 72 workers performing physical activities in postal service, ceramic manufacturing, and metal manufacturing participated in heart rate measurement for 1 work shift using the activity meter(A360) and responded to a borg's scale questionnaire. Results: In consistent with previous findings, we presented high correlation between borg's scale and energy consumption measures among workers performing physical activities(r=0.89) while post-work average heart rate showed nearly no correlation with post-work borg's scale (r=0.09). We proposed a set of adjustments when using borg's scale to estimate physical workload for those workers engaged in physical activities during the majority of their work shift. Conclusions: Our findings suggest that a caution should be paid to when using Borg's scale to estimate heart rates during physical activities as well as energy consumption as the product of heart rate measurements.

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