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KMID : 0928320110110040227
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Korean Journal of Health Promotion and Disease Prevention
2011 Volume.11 No. 4 p.227 ~ p.233
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The Correlations between Cardiorespiratory Fitness Levels and Body Mass Index, Metabolic Syndrome Risk Factors, Homeostasis Model Assessment-Insulin Resistance and High Sensitivity C-Reactive Protein in Male High School Students
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Kim Soo-Youn
Kim Eun-Sung
Cho Jung-Ho
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Abstract
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Background: The purpose of this study was to analyze the relationships between cardiorespiratory fitness and body mass index (BMI), metabolic syndrome risk factors, homeostasis model assessment-insulin resistance (HOMA-IR), and high sensitivity C-reactive protein (hsCRP) in male high school students in Korea. Furthermore, the effects of the cardiorespiratory fitness levels on these four factors were examined.
Methods: The level of cardiorespiratory fitness, BMI, percent body fat, waist circumference (WC), systolic blood pressure, glucose, triglycerides (TG), high-density lipoprotein-cholesterol (HDL-C), HOMA-IR, and hsCRP of 227 male high school students were measured. Analyses of multiple correlation and simple regression were applied.
Results: The results showed that the level of cardiorespiratory fitness correlated negatively with BMI, percent body fat, WC, TG, and HDL-C, in addition to HOMA-IR and hsCRP, and strongly influenced BMI, percent body fat, WC, TG, HDL-C, HOMA-IR, and hsCRP. Comparative analysis of our subjects showed that higher cardiorespiratory fitness levels had positive effects on BMI, metabolic syndrome risk factors, HOMA-IR, and hsCRP.
Conclusions: This study found that there are close correlations between cardiorespiratory fitness and BMI, metabolic syndrome risk factors, HOMA-IR, and hsCRP. It also showed that, compared to lower levels of cardiorespiratory fitness, higher levels had beneficial effects on BMI, metabolic syndrome risk factors, diabetes, and cardiovascular disease risk factors.
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KEYWORD
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Body mass index, Cardiovascular disease, Insulin, Physical fitness, Adolescents
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