期刊
ERGONOMICS
卷 59, 期 4, 页码 496-503出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/00140139.2015.1075604
关键词
Firefighters; personal protective equipment (PPE); heat strain; prediction; skin temperature; deep-body temperature
资金
- Disaster Safety Technology Development & Infrastructure Construction Program - Ministry of Public Safety and Security, Republic of Korea [NEMA-Infrastructure-2013-101]
The aim of this study was to investigate stable and valid measurement sites of skin temperatures as a non-invasive variable to predict deep-body temperature while wearing firefighters' personal protective equipment (PPE) during air temperature changes. Eight male firefighters participated in an experiment which consisted of 60-min exercise and 10-min recovery while wearing PPE without self-contained breathing apparatus (7.75 kg in total PPE mass). Air temperature was periodically fluctuated from 29.5 to 35.5 degrees C with an amplitude of 6 degrees C. Rectal temperature was chosen as a deep-body temperature, and 12 skin temperatures were recorded. The results showed that the forehead and chest were identified as the most valid sites to predict rectal temperature (R-2 = 0.826 and 0.824, respectively) in an environment with periodically fluctuated air temperatures. This study suggests that particular skin temperatures are valid as a non-invasive variable when predicting rectal temperature of an individual wearing PPE in changing ambient temperatures. Practitioner Summary: This study should offer assistance for developing a more reliable indirect indicating system of individual heat strain for firefighters in real time, which can be used practically as a precaution of firefighters' heat-related illness and utilised along with physiological monitoring.
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