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Revista Brasileira de Medicina do Esporte

Print version ISSN 1517-8692On-line version ISSN 1806-9940


FAGHERAZZI, Sanmira; DIAS, Raquel da Luz  and  BORTOLON, Fernanda. Impact of isolated and combined with diet physical exercise on the HDL, LDL, total cholesterol and triglycerides plasma levels. Rev Bras Med Esporte [online]. 2008, vol.14, n.4, pp.381-386. ISSN 1517-8692.

Adequate eating habits and physical exercise have a beneficial effect on dislipidemies. When associated, they might even optimize changes to the plasmatic lipoproteic profile, apart of which they are moderate-cost interventions if compared to drug-based and high-tech depending treatments. The present study aims at assessing the impact of physical exercise as isolated and combined with a diet on the lipidic profile of overweight/obese individuals. Tn observational analytical retrospective study has looked into the evolution of the lipidic profile and weight over a period of 3 to 6 months of 30 individuals divided in two groups: the exercise group (physical exercise practice) and the diet group (physical exercise associated with a nutritional intervention). Significant statistical reductions were found in the CT (-14.4 mg/dl; P=0,022) and in the LDL-c (-20.9 mg/dl; P = 0,013) for the components in the exercise group. Such reduction has also occurred regarding the CT/HDL-c (-0,9; P = 0,005) ratio for the components of the diet group. The increase in the HDL-c levels was observed only in the diet group (+4.2 mg/dl). In this same group a decrease in the CT (-8 mg/dl) and in the LDL-c (-9,8 mg/dl) was observed as well as a weight reduction (-2.6 Kg), however, such results have not been statistically significant. Regarding the TG levels, there was no evidence for a positive evolution in either group. As a conclusion, the isolated effect of physical exercise was more evident concerning the variables CT and LDL-c. The TG did not undergo positive modifications upon the exclusive practice of physical exercise or with their association with the diet. As for variables HDL-c and weight, the combination of diet and physical exercise has proven to bring enhanced benefits.

Keywords : nutrition; physical activity; dyslipidemia; obesity; cardiovascular diseases.

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