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Revista Brasileira de Educação Física e Esporte

versão impressa ISSN 1807-5509

Resumo

LEITE, Neiva et al. Cardiorespiratory fitness, lipid and metabolic profile in obese and non-obese adolescents. Rev. bras. educ. fís. esporte (Impr.) [online]. 2009, vol.23, n.3, pp.275-282. ISSN 1807-5509.  https://doi.org/10.1590/S1807-55092009000300008.

The aim this study was investigates the relationship between maximum oxygen consumption, lipid and metabolic profile in obese and non-obese girls and boys. Transversal, descriptive and correlational study. 91 obese and 30 non-obese subjects participated, with 10 to 16 years. There were well overall adiposity by body mass index (BMI), and central adiposity by waist circumference (WC). The cardiorespiratory fitness was assessed by a direct analysis of maximum oxygen consumption (O2max). Are determined levels of total cholesterol (TC), high density lipoprotein (HDL-C), low density lipoprotein (LDL-C), triglycerides (TG), glucose and insulin after 12 hours of fasting. We analyzed the data by "t" student`s test and partial correlation controlled for age, with a significance level of p < 0.05. The non-obese group had higher values of O2max and HDL-C than the obese (p < 0.001). The TG (p < 0.01) and insulin (p < 0.001) were higher in obese compared to non-obese. The LDL-C, TC and glucose didn't differ between groups. There was correlation of O2max was no correlation with BMI (r = -0.50, p < 0.001) and the waist abdominal (r = -0.48, p < 0.001), the insulin (r = -0.392; p < 0.001), TG (r = -0.277; p = 0.005) and HDL-C (r = 0.299; p = 0.002). There were not found correlations of O2max with the TC, the fraction of LDL-C and glucose. The lowest VO2max correlated with increased adiposity, insulin and TG, and reduction of HDL. However, the O2max not correlated with TC, LDL-C and glucose, suggesting the importance of genetic control of these variables and a lower influence of time of inactivity in children and youth population.

Palavras-chave : Adiposity; Cardiorespiratory fitness; Lipids; Metabolism.

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