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이천희(Cheon Hee Lee),강기희(Gi Hee Kang),오근희(Keun Hee Oh),전형권(Hyeong Kwun Jeon),김경렬(Kyoung Ryoul Kim) 한국여가레크리에이션학회 2002 한국여가레크리에이션학회지 Vol.23 No.-
The purpose of this study is to examine Present condition of the middle school students` participation in leisure activity and to identify constraining factors to participate in leisure activity them. Subjects of this study is 280 from 8 middle school in Seoul by Stratified cluster random sampling method. Questionnaire was used to examine Present condition of the middle school students` participation in leisure activity and to identify constraining factors to participate in leisure activity. Statistical techniques for data analysis is Frequency, Chi-square(x^2) and Means method. The researcher concluded as follows. First, In gender variable, male more participate in sport area for leisure activity and female more participate in taste & culture area for leisure activity. But all of them want to participate in sports area for leisure activity. Second, in grade, first and second grade more participate in sports area for leisure activity and third grade more participate in taste & culture area for leisure activity. But all of them want to participate in sports area for leisure activity. Third, in male, most constraining factors to participate in leisure activity is study & work, and in female, most constraining factors to participate in leisure activity is difficulty of choice that they will participate in what kinds of leisure activity. Fourth, in first and second grade, most constraining factors to participate in leisure activity is difficulty of choice that they will participate in what kinds of leisure activity, and in third grade, most constraining factors to participate in leisure activity is leisure activity fee.
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김도준,오봉석,전형권 龍仁大學校 1999 용인대학교 논문집 Vol.17 No.-
The purpose of this study was to review for further understanding of the possible mechanisms of free radical formation during exercise and the relation of exercise and exercise induced oxidative stress and the antioxidant system. Acute or chronic strenuous exercise results in excessive production of reactive oxygen species(ROS). This ROS production may lead to lipid peroxidation and protein oxidation in the exercising muscle. Now, the results of study on the role of non-enzymatic defense system was not clear. Further study is necessary to get clear results of antioxidants. But, exercise induced oxidative stress may be reduced by antioxidant ingestion. Therefore, it is necessary to study on proper exercise for reduction of oxidative injury and for efficient practice of intensive exercise by antioxidant administration.
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