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What is the most effective exercise protocol to improve cardiovascular fitness in overweight and obese subjects？

Journal of Sport and Health Science 2017年第4期6卷 454-461页

作者： Eliane Aparecida Castro Ana Belen Peinado Pedro Jose Benito MercedeS Galindo Marcela Gonzalez-Gross rocio cupeiro Department of Health and Human Performance Faculty of Physical Activity and Sport Sciences Universidad Polit~cnica de Madrid Madrid 28040 Spain LFE Research Group Universidad PolitOcnica de Madrid Madrid 28040 Spain Faculty of Physical Activity and Sport Sciences Universidad Politecnica de Madrid Madrid 28040 Spain ImFINE Research Group Universidad PolitOcnica de Madrid Madrid 28040 Spain

Background: Increased peak oxygen consumption(VO2 peak) can reduce cardiovascular risks associated with obesity. Our aim was to analyze the effect of a weight loss program on cardiovascular fitness in overweight(W) and obese(O) ***: One hundred and sixty-seven subjects(77 males and 90 females), aged 18–50 years, performed a modified Bruce protocol before(pre)and after(post) a weight loss program of 24 weeks. This program combined physical training(strength, S; endurance, E; combined strength + endurance, SE; or physical activity recommendation, PA) 3 times per week, with a 25%–30% caloric restriction ***: VO2 peak improved in overweight and obese males(pre and post values in L/min, respectively; W = 3.2 ± 0.6 vs. 3.7 ± 0.5, p < 0.001;O = 3.6 ± 0.6 vs. 3.8 ± 0.6, p = 0.013) as well as in overweight females(2.0 ± 0.3 vs. 2.3 ± 0.4, p < 0.001). VO2 peak in the first ventilatory threshold(VT1) increased for all 4 interventions in males(p < 0.05), except for S in the obese group(1.6 ± 0.2 vs. 1.7 ± 0.3, p = 0.141). In females, it increased in E(0.9 ± 0.2 vs. 1.4 ± 0.3, p < 0.001), SE(0.9 ± 0.2 vs. 1.2 ± 0.4, p = 0.003), and PA(0.9 ± 0.1 vs. 1.2 ± 0.2, p = 0.006) in overweight groups. Time-to-exhaustion improved in all subjects except for females in PA group(15.7 ± 0.3 min vs. 15.9 ± 0.3 min, p = 0.495).Conclusion: Our results suggest that all methods, including the recommendation of physical activity, can improve cardiovascular fitness in overweight subjects and obese males.

关键词： Combined training Endurance training Obesity Oxygen consumption Physical activity Strength training Ventilatory threshold

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