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초록·키워드
This study was to investigate the effect of beverage intake of pre - endurance exercise on exhalation gas variables and blood components in 30s adults. We applied the 27 - minute treadmill exercise protocol to 10 physical education graduate students three times at intervals of one week. The pre-exercise drinks were hydrogenated beverages, ionic beverages, green tea beverages, 500ml of which were taken 250ml each at 30 minutes and 20 minutes before exercise. The parameters of exhalation gas were VT, RCP and RER. The blood components were lactic acid, glucose and triglyceride. The mean and standard deviation for the items were calculated. One-way ANOVA was used for statistical significance. T-test was used for pre / post-difference test in each experimental group. The significance level of all statistics was set at p<.05. The results of this study were 1) The VT and RCP level of the hydrogen drink group were higher than in the ion drink group, but significantly higher than in the green tea drink group (p<.01). During exercise, the RER value was significantly lower than other drinks (p<.001). Lactic acid production was lower than the ion drink group but significantly lower than the green tea drink group (p<.05). 2) Blood glucose output in the ion drink group was significantly higher than in other drink groups (p<.05). 3) The output of TG in the green tea group was significantly higher than that of other drinks (p<.05). The conclusion of this study were listed as follows: Incremental endurance exercise in less than half an hour, hydrophobic drink improves exercise ability by delaying fatigue by improving ventilation ability during exercise. Ionic drinks promoted glucose metabolism and exercise anoxic endurance. On the other hand, Intake of green tea drink before exercise had the effect of activating lipid metabolism during exercise rather than improving exercise performance.
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