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KMID : 0858820100270040073
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Journal of Korean Society for Health Education and Promotion
2010 Volume.27 No. 4 p.73 ~ p.81
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The Effects of Walking Exercise Program on Aging-related Hormones in Elderly Men
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Ko Ki-Jun
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Abstract
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Objectives: The purpose of this study was to evaluate the effects of 12 weeks walking exercise program participation on changes in aging-related hormones concentration in elderly men.
Methods: 16 elderly men(above 65 years old) were participated in 12 weeks walking exercise program by group types(exercise group ; n=8 & control group ; n=8), and their aging-related hormones(GH, testosterone and melatonin) levels were assessed before program(0 week) and after program(12 weeks). Regularly walking exercise program(field walking exercise) performed for 12 weeks(3days/week, 60∼70min/day, HRR 55∼65%). All data were expressed as mean and standard deviation by using SPSS/PC+(ver. 13.0) program, and to evaluate the differences before and after treatment by groups, data were analyzed by paired t-test(a≤.05) and 2-way ANOVA was performed to examine the differences between groups and within groups by variables.
Results and Conclusion: The conclusions obtained from this study were as follows ; In growth hormone. testosterone and melatonin response after 12 weeks exercise was increased significantly in walking exercise group(p＜.01; p＜.001; p＜.001). And in result of 2-way ANOVA analysis for group, exercise, group×exercise, as compared with the exercise, there is significant difference in all items. Interaction effect of between group and exercise is difference significantly on GH(F=5.915, p＜.05), testosterone(F=15.117, p＜.01) and melatonin(F=8.131. p＜.01) in all groups. We observed a direct relationship(positive improvement) between the regular physical activity and aging-related hormones(growth hormone, testosterone and melatonin concentrations) in elderly men.
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KEYWORD
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Elderly men, Walking exercise program, GH, Testosterone, Melatonin
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