title: Determination of metabolic equivalents during low- and high-intensity resistance exercise in healthy young subjects and patients with type 2 diabetes.
abstract: The purpose of this study was to quantify the metabolic equivalents (METs) of resistance exercise in obese patients with type 2 diabetes (T2DM) and healthy young subjects and to evaluate whether there were differences between sessions executed at low- versus high-intensity resistance exercise. Twenty obese patients with T2DM (62.9±6.1 years) and 22 young subjects (22.6±1.9 years) performed two training sessions: one at vigorous intensity (80% of 1-repetition maximum (1RM)) and one at moderate intensity (60% of 1RM). Both groups carried out three strength exercises with a 2-day recovery between sessions. Oxygen consumption was continuously measured 15 min before, during and after each training session. Obese T2DM patients showed lower METs values compared with young healthy participants at the baseline phase (F= 2043.86; P<0.01), during training (F=1140.59; P<0.01) and in the post-exercise phase (F=1012.71; P<0.01). No effects were detected in the group x intensity analysis of covariance. In this study, at both light-moderate and vigorous resistance exercise intensities, the METs value that best represented both sessions was 3 METs for the obese elderly T2DM patients and 5 METs for young subjects.
authors.affiliation: Centre for Sport Sciences and Human Performance, Department of Sports Science, University of Greenwich, London, United Kingdom.
authors.forename: S
authors.initials: S
authors.lastname: Zanuso
authors.affiliation: Sport and Exercise Medicine Division, Department of Medicine, University of Padova, Padova, Italy.
authors.forename: M
authors.initials: M
authors.lastname: Bergamin
authors.affiliation: School of Sports Science, European University of Madrid, Madrid, Italy.
authors.forename: A
authors.initials: A
authors.lastname: Jimenez
authors.affiliation: Diabetes Unit, Sant'Andrea Hospital, Department of Clinical and Molecular Medicine, La Sapienza University, Rome, Italy.
authors.forename: G
authors.initials: G
authors.lastname: Pugliese
authors.affiliation: Diabetes Unit, Sant'Andrea Hospital, Department of Clinical and Molecular Medicine, La Sapienza University, Rome, Italy.
authors.forename: V
authors.initials: V
authors.lastname: D'Errico
authors.affiliation: Center for Outcomes Research and Clinical Epidemiology (CORE), Pescara, Italy.
authors.forename: A
authors.initials: A
authors.lastname: Nicolucci
authors.affiliation: Sport and Exercise Medicine Division, Department of Medicine, University of Padova, Padova, Italy.
authors.forename: A
authors.initials: A
authors.lastname: Ermolao
authors.affiliation: Diabetes Unit, Sant'Andrea Hospital, Department of Clinical and Molecular Medicine, La Sapienza University, Rome, Italy; Metabolic Fitness Association, Monterotondo, Rome, Italy.
authors.forename: S
authors.initials: S
authors.lastname: Balducci
keywords: Energy expenditure; METs; Obesity; Type 2 diabetes; resistance exercise