The literature discusses that combined training, aerobic more resistance exercises in the same session, is a suitable strategy for people with obesity and that exercise periodization leads to positive health outcomes; however, the implication of different periodizations of combined training for health outcomes in obese adults requires further investigation. The aim of the study will be to describe the methodology used to compare the effect of linear periodized and non-periodized combined training on health markers and health-related physical fitness in adults with obesity. This is a blinded randomized controlled clinical trial investigating adults with obesity in the age group 20–50 years. The sample will be non-probabilistic, and participants will be allocated randomly into one of three groups: control group (CG), non-periodized group (NG), and periodized group (PG). The intervention will occur in 60-min sessions, 3 days a week for 16 weeks, with 1 week dedicated to familiarization with the training and 15 weeks of combined training (aerobic followed by resistance in the same session). The PG group will perform three mesocycles of 5 weeks each, progressing in intensity throughout the intervention [aerobic: from 40-49% to 60–69% of heart rate reserve (HRR); strength: from 12 to 14 maximum repetitions (MR) to 8 to 10MR]; the NG group will maintain the same relative intensity throughout the study (aerobic: 50–59% of HRR; strength: 2 sets of 10–12 MR). Participants in the CG group will maintain their usual activities without the proposed intervention. Pre- and post-intervention assessments will be performed for biochemical markers, body composition, cardiovascular parameters, cardiorespiratory fitness, maximum upper and lower limb strength, flexibility, and subjective health-related parameters. This project was approved by the Committee of Ethics and Research with Human Beings of the institution of origin (protocol 2,448,674) and registered in the Brazilian Registry of Clinical Trials (RBR-3c7rt3).
Resumo Objetivou-se verificar a associação da simultaneidade de comportamentos de risco com a obesidade em adultos (18 a 59 anos) das capitais do Brasil. Trata-se de um estudo transversal de base populacional, realizado por entrevista telefônica. As variáveis autorrelatadas foram a obesidade, definida pelo peso e altura (IMC ≥ 30 kg/m²) e os comportamentos de risco: inatividade física (≤ 149 min/sem), tempo sentado em excesso (≥ 4h/dia), consumo frequente de doces (≥ 5 dias/sem) e de carnes vermelhas com gordura e/ou frango com pele (≥ 1 dia/sem). A simultaneidade dos comportamentos de risco foi analisada por razões das prevalências observadas e esperadas. Foram utilizadas as regressões de Poisson e logística multinomial, em análises por sexo, brutas e ajustadas por fatores sociodemográficos. Dentre os 35.448 adultos, nos homens, a simultaneidade do consumo de carnes com gordura, tempo sentado em excesso e inatividade física (RP: 1,94; IC95%: 1,45; 2,60), assim como a presença dos quatro comportamentos de risco (RP: 1,72; IC95%: 1,16; 2,53), associaram-se à obesidade. Em mulheres, o consumo simultâneo de doces e de carnes com gordura (RP: 1,77; IC95%: 1,19; 2,66) também se associou ao desfecho. Em ambos os sexos, observou-se aumento da tendência de obesidade conforme o somatório de comportamentos de risco.
Resumo Objetivou-se verificar a associação entre a prática de atividade física em diferentes domínios e o uso de insulina em adultos e idosos. Trata-se de um estudo transversal de base populacional com dados do inquérito Vigilância de fatores de risco e proteção para doenças crônicas por Inquérito Telefônico (VIGITEL 2013). A amostra foi composta por indivíduos com idade ≥18 anos, residentes nas 27 capitais do Brasil e com diagnóstico de diabetes. A prática de atividade física no deslocamento, domicílio, lazer e trabalho, e o uso de insulina foram por autorrelato. Empregou-se regressão logística binária em análises bruta e ajustada para fatores sociodemográficos. Dos 4.593 indivíduos com diabetes, uso de insulina foi relatado por 16,2% e 25,5% dos adultos e idosos, respectivamente. A prática de atividade física no domicílio (RO: 0,61; IC95%: 0,40; 0,94) no trabalho (RO: 0,38; IC95%: 0,18; 0,78) estiveram associadas ao menor uso de insulina em idosos. Houve tendência de redução do uso de insulina à medida que se aumentou a quantidade de domínios fisicamente ativos em idosos (p = 0,003). Conclui-se que, em idosos, a atividade física praticada de forma isolada ou de forma acumulada em diferentes domínios teve associação com o menor uso de insulina.
Effects of nonperiodized and linear periodized combined training on health-related physical fitness in adults with obesity: a randomized controlled trial. J Strength Cond Res 36(9): 2628-2634, 2022-The aim of this randomized controlled trial study was to compare the effects of 16 weeks of linear periodized and nonperiodized combined training (CT) in cardiorespiratory fitness, muscle strength, and body composition indicators of adults with obesity. Thirty-four obese adults of both sexes (36.6 6 4.4 years; body mass index, 32.9 6 2.7 kg•m 22 ) were divided into nonperiodized (NG; n 5 8), linear periodized (PG; n 5 11), and control (CG; n 5 15) groups. The NG and PG groups performed 3 weekly sessions of CT over 16 weeks in different ways. Anthropometric measures, maximal strength for leg press and barbell bench press, maximal oxygen uptake (V Ȯ2 max), and ventilatory thresholds were determined before and after intervention. The generalized estimation equation was used, with the applied level of significance for the interaction of 0.10 and the isolated effect of time or group or both of 0.05. Significant and similar increases were observed in the 1-repetition maximum test for bench press (
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