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운동생리학 : 걷기 운동이 흡연 고교생의 심폐 기능 및 혈액 성분에 미치는 영향
마명락(MyungRakMa),박승한(SungHanPark) 한국체육학회 2005 한국체육학회지 Vol.44 No.6
The purpose of this study was to investigate the change of cardiorespiratory function and blood components after exercise program in high school smokers. The experimental group consisted of 10, and there were 10 in control group. During 6 weeks' period, experimental group had participated in the walking exercise program which was composed of 60-70%(HRmax) intensity activity, lasted for 30 minutes a day, took place 5 times a week. In order to compare the effects, Repeated Measure ANOVA was used.The results were as follows; Before exercise, testing the age, height, weight and smoking career were not significantly different but same between the experimental and the control group. After exercise, VO<sub>2max</sub> and FEV<sub>1.0%</sub> were significantly increased and different. There was a little increase but no significant differences in FVC. After exercise, the increase of VO<sub>2max</sub> in the experimental group means the improvement of endurance fitness. With the increase of cardiac output, the supply of oxygen to active muscle increased. Compared with the control group, Hematocrit, Total Cholesterol, LDL-C, COHb in the experimental group were decreased to be significantly different after exercise. After 6 weeks' exercises, Triglyceride was decreased and HDL-C was increased, but they did not show great difference.In conclusion, the results show that the walking exercise helped high school smokers to decrease a Hematocrit, Total Cholesterol, COHb, LDL-C, and to increase VO<sub>2max</sub> and FEV<sub>1.0%</sub>.The subjects of this study was high school smokers, so there was a limit to everyone. It is regretful not to continue this study after 6 weeks. Therefore there is a necessity for expanding the extent of target people and applying the various exercises and periods. There must be more studies afterward.