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O estudo objetivou avaliar o gasto energético de repouso (GER) de mulheres pós-menopausadas submetidas a programa de treinamento com pesos. Foram estudadas 30 mulheres (FSH > 40mIU/mL) entre 45 e 70 anos, separadas em dois grupos (GT: treinamento, n = 15 e GC: controle, n = 15). Calculou-se o índice de massa corporal (kg/m²) e por meio da impedância bioelétrica (BIA) determinaram-se o percentual de gordura corporal e a massa muscular. O GER foi obtido por meio da calorimetria indireta (O2 e CO2 respiratórios) e calculado pela equação de Weir. A mensuração ocorreu após 12 horas de jejum, durante 30 minutos sob temperatura e umidade controladas. O GT participou do programa de treinamento com pesos durante 16 semanas, na freqüência de três vezes por semana. Os dados analisados pelos testes t de Student, Mann-Whitney e ANOVA (p < 0,05) demonstraram que o GT teve a massa corporal aumentada na média de 1,8kg, a massa muscular em 2,0kg e o GER apresentou elevação de 8,4% em relação ao GC. Em conclusão, o treinamento com pesos aumentou a massa muscular e o GER. Recomenda-se, portanto, esse tipo de exercício como parte de conduta para reverter perdas muscular e metabólica decorrentes do envelhecimento e/ou da menopausa. The study had as objective to evaluate the resting energy expenditure (REE) of post-menopause women submitted to a training program with weights. Thirty women, age between 45 and 70 years (FSH > 40 mIUmL), separated in two groups (TG: training n = 15 and CG: control n = 15) were studied. The body mass index (kg/m²) was calculated and the body fat percentage and the muscular mass were determined through bioelectric impedance (BIA). The REE was obtained through indirect calorimetry (respiratory O2 and CO2) and calculated by the Weir equation. The measurement occurred after 12 hours of fasting, during 30 minutes under controlled temperature and humidity. The TG participated of the training program with weights during 16 weeks, in the frequency of three times per week. The analyzed data by the t-Student, Mann-Whitney and ANOVA tests (p < 0.05) demonstrated that the TG had body mass increased in the 1.8 kg mean, muscular mass in 2.0 kg and the REE presented increase of 8.4% in relation to the CG. In conclusion, the training with weights increased muscular mass and REE. Therefore, this kind of exercise is recommended part of strategy to revert muscular and metabolic losses derived from aging and/or menopause

Metabolismo de repouso de mulheres pós-menopausadas submetidas a programa de treinamento com pesos (hipertrofia)