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자료유형
학술저널
저자정보
저널정보
한국체육교육학회 한국체육교육학회지 한국체육교육학회지 제7권 제1호
발행연도
2002.6
수록면
98 - 107 (10page)

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The purpose of this study was to investigate the effects of -week exercises on antioxidant enzyme activities and tectolgoy of the heart tissue. Twenty-four Sprague-Dawley rats were randomly assigned into three groups: control group(n=8), low-intensity endurance group(n=8) and high-intensity endurance group(n=8). The rats were provide with the same environment. The low intensity group was exercised by low intensity training for 8 weeks, running for 5 minute at 20m/minute, 0% grade, 5 days per weeks. The high intensity group was exercised for 8 weeks, running for 10 minute at 30m/minute, 5 days per weeks, but the control group was not exercised at all. Following 8 weeks. The heart tissue of rats were analyzed to determine the change of SOD activity, CAT activity. Statistical techniques for data analysis were two-way repeated measures ANOVA to determine the difference among groups and training times. The 5% level of significance was used as the critical level for acceptance of hypotheses for the study. 1. There was significant difference in SOD among the group×periods following 8-week training[F_(2. 21)=47.179, p=.000]. The results of simple effects test, SOD activities in low-intensity exercise following 8-weeks were highly increased than high-intensity exercise and control group. 2. There were no significant difference in CAT among the groups, periods and groups×periods following 8-week training. 3. There was significant difference in the diameter of purkinje fibers among the groups, periods and groups×periods following 8-week exercise[F_(2.21)=55.676 p=.000]. The results of simple effects test, the diameter of purkinje fibers in high-intensity exercise & low intensity exercise following 8-weeks was increased than control group. And the tectology profiles in low-intensity exercise was indicated positive effects compared to high-intensity exercise. As a result of this conclusion the study shows that low-intensity exercise may have more an effect to induce an adaptive increase in activities of anti-oxidant enzyme, especially SOD than other exercise intensity do. These results indicates that low-intensity exercise following 8-week does provide an positive effects compared to high-intensity exercise following 8-week on morphology profiles of purkinje fiber.

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