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Information Journal Paper

Title

VALIDATION OF PERCEPTUAL STRAIN INDEX TO EVALUATE THE THERMAL STRAIN IN EXPERIMENTAL HOT CONDITIONS

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Abstract

 Background: The incidence of heat stress is one of the most common problems in workplaces and industries. Many heat stress indices have been developed, and these indices have some disadvantages. The purpose of this study is to validate the PERCEPTUAL STRAIN INDEX (PeSI) in experimental hot conditions.Methods: This study is of cross-sectional carried out on 15 men at fi ve different thermal conditions (35oC, 30oC, 27oC, 24oC, and 21oC) in a climate chamber and on a treadmill at three levels of light (2.4 kph), medium (4.8 kph) and heavy activity (6.3 kph). Heart rate and oral temperature were respectively measured to calculate the PHYSIOLOGICAL STRAIN INDEX. Also, thermal sensation and rate perceive exertion were respectively measured to calculate the PeSI. Finally, the correlation between the indices was analyzed using Pearson correlation test and regression analysis.Results: Pearson correlation test showed a high correlation (r = 0.94) between the PeSI and PHYSIOLOGICAL STRAIN INDEX (P = 0.001). It was also observed a high correlation between the PeSI and the oral temperature (r = 0.78, P = 0.001) and the heart rate (r = 0.90, P = 0.001). In addition, there was found a moderate correlation (r = 0.71) between the PeSI and the wet bulb glob temperature (P = 0.001). However, there was no correlation between the PeSI and the body mass index (r = 0.0009, P = 0.79).Conclusions: The research fi ndings showed when there is no access to other forms of methods to evaluate the heat stress, it can be used the PeSI in evaluating the strain because of its favorable correlation with the thermal strain.

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    APA: Copy

    DEHGHAN, HABIBOLLAH, & GHANBARY SARTANG, AYOUB. (2015). VALIDATION OF PERCEPTUAL STRAIN INDEX TO EVALUATE THE THERMAL STRAIN IN EXPERIMENTAL HOT CONDITIONS. INTERNATIONAL JOURNAL OF PREVENTIVE MEDICINE, 6(8), 0-0. SID. https://sid.ir/paper/316251/en

    Vancouver: Copy

    DEHGHAN HABIBOLLAH, GHANBARY SARTANG AYOUB. VALIDATION OF PERCEPTUAL STRAIN INDEX TO EVALUATE THE THERMAL STRAIN IN EXPERIMENTAL HOT CONDITIONS. INTERNATIONAL JOURNAL OF PREVENTIVE MEDICINE[Internet]. 2015;6(8):0-0. Available from: https://sid.ir/paper/316251/en

    IEEE: Copy

    HABIBOLLAH DEHGHAN, and AYOUB GHANBARY SARTANG, “VALIDATION OF PERCEPTUAL STRAIN INDEX TO EVALUATE THE THERMAL STRAIN IN EXPERIMENTAL HOT CONDITIONS,” INTERNATIONAL JOURNAL OF PREVENTIVE MEDICINE, vol. 6, no. 8, pp. 0–0, 2015, [Online]. Available: https://sid.ir/paper/316251/en

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