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심폐체력 수준 차이에 따른 중등강도 유산소성 운동이 성장호르몬, 글루코스, 인슐린, 유리지방산 및 인슐린 저항성에 미치는 영향Effects of Moderate Aerobic Exercise with Cardiorespiratory Fitness Level Difference on Growth Hormone, Glucose, Insulin, Free Fatty Acids and Insulin Resistance

Other Titles
Effects of Moderate Aerobic Exercise with Cardiorespiratory Fitness Level Difference on Growth Hormone, Glucose, Insulin, Free Fatty Acids and Insulin Resistance
Authors
윤성진이진석김성철
Issue Date
2012
Publisher
한국체육과학회
Keywords
Cardiorespiratory fitness; Gowth hormone; Glucose; Insulin; Free fatty acids; Insulin resistance
Citation
한국체육과학회지, v.21, no.3, pp.1053 - 1063
Indexed
KCI
Journal Title
한국체육과학회지
Volume
21
Number
3
Start Page
1053
End Page
1063
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/109610
ISSN
1226-0258
Abstract
The purpose of this study was to investigate the effects of moderate aerobic exercise with difference of cardiorespiratory fitness level on growth hormone, glucose, insulin, free fatty acids and insulin resistance. The subjects of this study were 21 healthy college-aged males and were divided into three groups; high level group(HG, O2max=49.8±1.0, n=7), middle level group(MG, O2max=45.1±1.4, n=7), and low level group(LG, O2max=40.5,±1.7 n=7). The body composition, maximal oxygen consumption were measured before aerobic exercise at 70%O2R for 30 minutes. Blood samples was measured before and immediately after exercise, 30 minutes after exercise. Data were analyzed by One-way ANOVA and Two-way repeated ANOVA. Statistical significance was set at p<.05. As a result of this study, growth hormone, free fatty acids were increased immediately after exercise and were reduced at 30 minutes after exercise in all groups(p<.05). Glucose was increased immediately after exercise and decreased at 30 minutes after exercise in MG and LG(p<.05). Insulin was decreased immediately after exercise in HG and LG(p<.05). HOMA-IR was not significantly different immediately after the exercise but showed a significantly low level at 30 minutes after exercise compared to before exercise in all groups(p<.05). In conclusion, moderate intensity aerobic exercise represents a similar fat metabolism and has the effect of improving insulin resistance Regardless of differences in levels of cardiorespiratory fitness.
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