고온 환경에서 유산소 트레이닝 시 습도조절이 신체조성, 혈중지질 및 젖산에 미치는 영향

Abstract

Purpose: The purpose of this study is to investigate the effect of 8 weeks of aerobic training according to the difference in humidity in a high-temperature environment on body composition, blood lipid factors, and changes in lactate.<BR> Method: The subjects of the study were healthy men living in S city, who were explained the purpose and method of this study fully and voluntarily expressed their intention to participate (N=30). The group was randomly set into a normal humidity group (n=15) and a high humidity group (n=15). The temperature of the training environment was set to 33.0±1.0°C, and the humidity setting was set to 50.0±3.0% for the normal humidity group and 70.0±3.0% for the high humidity group, and training with 60% intensity of V·O₂max was performed 3 times a week for 8 weeks. Measurement variables weer body composition, blood lipids, and lactate. All statistics were analyzed by SPSS ver 24.0, and paired t-tests were used to verify the differences between before and after training. Repeated measure ANOVA was performed to examine the effects between groups and periods. All statistical significance levels were set at p<.05.<BR> Results: The results of this study are as follows. 1) There was no significant change in skeletal muscle mass in the body composition variable, but there was a significant decrease in body fat (p<.05). 2) For blood lipids, HDL-C, LDL-C, GLU, and TG excluding TC showed improvement effects, and significant differences between the periods (p<.05, p<.01, p<.001). 3) There were no significant differences in each variable in the case of blood lactate.<BR> Conclusion: In conclusion, training according to humidity environment can expect improvement effect on the human body. However, it is thought that clear distinction, control of training environment and living environment are needed because continuous exposure to high humidity can cause various diseases.