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KMID : 0928320070070030196
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Korean Journal of Health Promotion and Disease Prevention
2007 Volume.7 No. 3 p.196 ~ p.204
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The Effects of Aerobic Exercise for Body Composition, Serum Lipids, Self-Efficacy and Life Satisfaction in Middle-aged Women
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Lee Hung-Sa
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Abstract
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Background :Middle-aged women are at high risk for cardiovascular disease because their estrogen hormone is gradually decreased after menopause. However, for so long, women have devoted much of their time and energy to family, children, and work such that they could not regularly exercise. There are many studies about the effects of exercise for body composition and serum lipids but few studies addressing for the self-efficacy and life satisfaction in middle-aged women. The purpose of this study is to find effects of aerobic exercise for body composition, blood glucose, serum lipids, self-efficacy, life satisfaction in Korean Middle-aged women and to present basic data of an effective exercise program for them.
Methods : This research was one group pretest-posttest design. The subjects were 218 middle-aged women, who participated in an aerobic exercise program. Aerobic exercise program was composed 60-70% intensity, 65 minutes duration, and twice a week for eight weeks. Body composition, blood pressure, fasting blood glucose, serum lipids, self-efficacy and life satisfaction were measured before exercise and after exercise.
Results : The subjects were 48.1 years old, and their BMI was 24.6kg/m2. The result from paired t-test of each variables before and after exercise are the followings. It was showed that waist circumference(t=-.05, p=.041), serum triglyceride(t=2.00, p=.036), the score in life style of exercise (t=-5.30, p<.001), exercise self-efficacy(t=.324, p=.040) and life satisfaction(t=-2.00, p=.046) after exercise were significantly higher than before exercise. Body weight, BMI, blood pressure were slightly decreased after exercise, but they were no significant deferences between before exercise and after exercise.
Conclusions : Regular aerobic exercise has positive effects not only on decrease of waist circumference and triglyceride but also on increase of self-efficacy and life satisfaction. The results suggest that regular aerobic exercise program is needed for the prevention of chronic disease for Korean middle-aged women. (Korean J Health Promot Dis Prev 2007 ; 7(3):196~204)
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KEYWORD
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middle-aged women, aerobic exercise, serum lipids, self-efficacy, life satisfaction
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