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The Journal of Sports Medicine and Physical Fitness 2012 October;52(5):522-9

Copyright © 2012 EDIZIONI MINERVA MEDICA

language: English

Effects of 12 weeks of aerobic exercise on body composition and vascular compliance in obese boys

Song J. K. 1, Stebbins C. L. 2, Kim T. K. 1, Kim H. B 1, Kang H. J. 1, Chai J. H. 1

1 Department of Taekwondo, College of Physical Education, Kyung Hee University, Yongin City, Republic of South Korea; 2 Department of Internal Medicine, Division of Cardiovascular Medicine, University of California-Davis, Davis, CA, USA


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AIM: This study tested the hypothesis that 12 weeks of air board exercise would enhance cardiorespiratory fitness and vascular compliance and reduce % body fat in obese Korean boys.
METHODS: Twenty-two obese boys (>30% body fat) were studied. They were divided into 2 groups- an aerobic exercise group (N.=12), which trained 3 days/week, 50 min/day for 12 weeks, and a control group (N.=10). Control subjects only performed activities involved in their physical education classes. Body composition, cardiovascular fitness (20 m multistage endurance test performance) and vascular compliance were assessed before and after the completion of exercise training.
RESULTS: The % changes in body fat (-4.6±0.9 vs. -1.5±1.0%), fat mass (-5.4±1.5 vs. -0.1±1.6%) and performance on the cardiovascular fitness test (14.3±2.5 vs. 3.7±1.6%) were greater in the exercise group than in the controls Compared to controls, % increases in vascular compliance were greater in the arms and legs of the exercise group (left arm: 2.8±0.5 vs. 2.0±2.9%; left leg: 2.6±1.2 vs. -0.5±2.0%; right arm: 2.9±0.9 vs. 0.3±2.9%; right leg: 4.8±1.8 vs. 1.5±2.0%).
CONCLUSION: Results suggest that exercise training can reduce % body fat and enhance vascular compliance in obese male adolescents; changes that may reduce the risk for later development of cardiovascular disease.

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clstebbins@ucdavis.edu