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Journal of Exercise Nutrition & Biochemistry 2005;9(1):49-56.
Articles : Correlative Comparison of Obesity Indices and Cardiopulmonary Fitness for Metabolic Syndrome
Abstract
The purpose of the study was 1) to investigate bivariate correlations of obesity indices and cardiopulmonary fitness with blood lipoprotein-lipids and blood pressure and 2) to determine the degree to which obesity and cardiovascular fitness explain individual variations of the atherogenic lipids and blood pressure in the participants of the study. A total of 152 apparently healthy men (mean age 24.64±3.03 yrs) voluntarily participated in the study. Following an overnight fasting, blood samples taken from an antecubital vein were used for the determination of the blood total cholesterol (TC), high density lipoprotein cholesterol (HDLC), and triglyceride (TG). low density lipoprotein cholesterol (LDLC) concentration was calculated by using the Friedewald formula. And VO2max was measured on a motor-driven treadmill using the Bruce protocol. Both obesity indices including body mass index, percent body fat, waist circumference, and waist-to-hip ratio and cardiovascular fitness were significantly correlated with atherogenic blood lipids profile (TC, TG, and LDLC) and blood pressures. Stepwise multiple linear regression analyses showed that percent body fat was an independent-prediction factor for TC, HDLC, TG, and TG/HDLG, and body mass index was for LDLC. Similarly, percent body fat was an independent predictor for the variation of diastolic and mean arterial pressure, and body mass index for systolic blood pressure. In addition to the obesity indices, cardiovascular fitness was inversely correlated with not only the atherogenic blood lipids profile. blood pressures but also the obesity indices. Consequently, the results of current study suggest that l) cardiopulmonary fitness may modulate the relationship between obesity and atherogenic blood lipids and blood pressures and 2) lifestyle interventions for the treatment of the atherogenic blood lipids and blood pressure should target on the improvement of both obesity and cardiopulmonary fitness.
Key Words: obesity, cardiopulmonary fitness, blood pressure


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