RESUMOIntrodução: O aumento na prevalência da obesidade é resultado de vários fatores, dentre eles a inatividade física e a alimentação de má qualidade. Objetivo: Avaliar o efeito do treinamento resistido em circuito em mulheres com sobrepeso e obesas no processo de emagrecimento e melhoria na qualidade de vida. Metodologia: Participaram 14 mulheres sedentárias com sobrepeso ou obesas na faixa etária de 20 a 45 anos de idade, distribuídas em dois grupos de sete: um controle, sem nenhuma intervenção, e o outro treinado, quando foram submetidas a um treinamento resistido em circuito por oito semanas. As voluntárias foram avaliadas antes e após o treinamento quanto aos seguintes parâmetros: antropométricos e composição corporal, avaliados por meio da bioimpedância, a força muscular, avaliada mediante a dinamometria e o teste de 1RM, a pressão arterial e frequência cardíaca por intermédio do medidor de pressão automático e metabolismo basal pela bioimpedância. Resultados: O treinamento resistido aumentou a força muscular tanto de membros superiores quanto de inferiores, mas, por outro lado, não apresentaram efeitos significantes em relação à massa magra, massa gorda, pressão arterial, frequência cardíaca e taxa metabólica basal. Conclusão: O treinamento resistido realizado durante oito semanas em mulheres com sobrepeso ou obesas aumenta os níveis de forca, mas não modifica significantemente a composição corporal, a pressão arterial e o metabolismo basal. ABSTRACT Introduction: The increase in the prevalence of obesity is a result of several factors, including physical inactivity and poor diet. Objective: To evaluate the effect of circuit training in overweight and obese women in the process of weight loss, and improvement in quality of life. Methodology: 14 sedentary women were selected as participant, being considered overweight or obese in the age group between 20 and 45 years old. They were distributed in two groups of seven individuals: one control, with no intervention, and the other trained who underwent eight-week resisted circuit training. All volunteers were evaluated before and after training for the following parameters: anthropometric measurements, body composition through bioimpedance, muscle strength through dynamometry and 1RM test, blood pressure and heart rate through automatic pressure gauge, and basal metabolism through bioimpedance. Results: Resistance training significantly increased muscle strength from both upper limbs and lower limbs, on the other hand, it did not show significant effects regarding lean mass, fat mass, blood pressure, heart rate and basal metabolic rate. Conclusion: Eight-week resistance training in overweight or obese women increases strength levels but does not significantly modify body composition, blood pressure, and basal metabolism. Palavras
Considering that aging leads to losses in postural control and balance, our objective was to analyze the effects of water aerobics on posture alignment and risk of falls in older adults. A quasi-experimental intervention study included 49 older adults in the Intervention Group (IG) and 34 in the Control Group (CG). A plumbed symmetrograph assessed posture alignment, while a Time Up & Go test determined the fall risk. The IG performed water aerobics twice a week for three months. Posture alignment significantly improved in most body segments assessed for the IG, and worsened in the CG. The low risk of falls in the IG increased by 28% in relation to the CG. We concluded that water aerobics improved posture alignment and reduced fall risk in older adults.
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