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KMID : 0613820100200060948
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Journal of Life Science
2010 Volume.20 No. 6 p.948 ~ p.954
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Effect of Aerobic Exercise on Factors Relative to the Brain Nerve Growth in Girls
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Pyun Mi-Young
Kwak Yi-Sub
Kim Tae-Un
Lee Kyung-Hee
Jeon Jae-Young
Kim Jong-Won
Cho Han-Sam
Lim Chun-Kyu
Kim Hyun-Jun
Ko Ki-Jun
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Abstract
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Exercise can favorably influence brain plasticity by facilitating neurogeneration, neuroadaptivity, and neuroprotection. Aerobic exercise has been reported to change brain nerve growth factors (growth hormone, insulin like factor-1, estrogen and serotonin). The purpose of this study was to demonstrate the effects of aerobic exercise for 12 weeks on brain nerve growth factors in girls. Fourteen female participants in elementary school grades 1 through 3 were randomly allocated to the exercise group (EG, n=6) and control group (CG, n=8). The EG participated in 60 minutes of modified ballet exercise as aerobic training three days a week for 12 weeks. Based on comparison between groups by two-way ANOVA with repeated measures, aerobic exercise program participants experienced decreased weight (p＜0.01), BMI (p＜0.01), fat mass (p＜0.001), fat percent (p＜0.001) and increased LBM (lean body mass) percent (p＜0.001). In addition, we detected that aerobic exercise decreased the level of serotonin (p＜0.05) and increased the level of GH (p＜0.05) and IGF-1 (p＜0.05). These findings suggest that aerobic exercise programs can be an efficient intervention to change body composition, alleviate central fatigue, improve brain function, and induce brain cell proliferation in girls.
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KEYWORD
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Aerobic exercise, brain nerve growth factor, IGF-1, estrogen, serotonin
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