Abstract
The aim of this study is to examine the effects of body temperature(tympanic and skin temperature) and stress hormone(serotonin, cortisol, ACTH) wearing firefighters" personal protective equipment(PPE) with self contained breathing apparatus(SCBA) in repetitive firefighting. Fifteen male students(Age: 23.87±0.64 yrs, Height: 177.53±4.09 cm, Weight: 73.65±11.64) participated in this study. Each participants performed under the 2 different treatments[PPE(10.8 kg)/ PPE+SCBA(22.1 kg)]. Main results were as follows: Main results were as follows: First, tympanic temperature showed significant difference in main effect of time and interaction effect of treatment and time. Secondly, mean skin temperature showed significant difference in main effect of time and interaction effect of treatment and time. Thirdly, Cortisol and serotonin showed significant difference in main effect of time. There were no significant differences between the two treatments all times. Lastly, ACTH showed significant difference in main effect of time and interaction effect of treatment and time. It is suggested that PPE+SCBA can induce increase body temperature, responses of cortisol and serotonin which may negatively influence on firefighting. Further research on physiological variables during various firefighting tasks should also be carried out. In addition, continuous study on the reducing weight of fire protective equipments is necessary for the safety of firefighter.
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