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AuthorAmaro Gahete, Francisco José
Frontiers Media SA
Concurrent trainingCardiac functionObesityBody compositionEnergy metabolism
Amaro-Gahete FJ, Ponce-González JG, Corral-Pérez J, Velázquez-Díaz D, Lavie CJ and Jiménez-Pavón D (2021) Effect of a 12-Week Concurrent Training Intervention on Cardiometabolic Health in Obese Men: A Pilot Study. Front. Physiol. 12:630831. [doi: 10.3389/fphys.2021.630831]
SponsorshipSpanish Ministry of Science and Innovation-MINECO RYC-2014-16938; Spanish Ministry of Economy and Competitiveness-MINECO/FEDER DEP2016-76123R; Government of Andalusian, Integrated Territorial Initiative PI-00022017; European Union's ERASMUS C SPORT program 603121-EPP-1-2018-1-ES-SPO-SCP; EXERNET Research Network on Exercise and Health in Special Populations DEP2005-00046/ACTI; Technology Fund-FEDER funds (R&D&I Operating Program); INNTERCONECTA (BRISA Contract-University of Cadiz)
The present study aimed to investigate the effects of a 12-week concurrent training intervention on cardiometabolic health in obese men. Twelve obese men (42.5 5.3 years old) participated in the current 12-week randomized controlled trial with a parallel group design. The participants were randomly assigned to a concurrent training group or to a no-exercise control group. Anthropometry and body composition assessment were determined by electrical bio-impedance. Blood samples were obtained and a cardiometabolic risk Z-Score was calculated. Energy metabolismrelated parameters [i.e., resting metabolic rate (RMR), respiratory quotient (RQ), and substrate oxidation in both resting conditions and during exercise] were determined by indirect calorimetry. Echocardiographic studies were performed using an ultrasound system equipped with a transducer to measure cardiac function. A significant decrease of weight (1 = -4.21 kg; i.e., primary outcome), body mass index (1 = -1.32 kg/m2), fat mass (FM; 1 = -.27 kg), blood pressure (BP; 1 = -10.81 mmHg), and cardiometabolic risk Z-Score (1 = -0.39) was observed in the exercise group compared with the control group (all P < 0.05), while no significant changes were noted in waist circumference (WC), lean mass (LM), bone mineral content, glycemic and lipid profiles, liver function, nor in energy metabolism-related parameters (all P > 0.1). Moreover, a significant increment of left ventricular (LV) end diastolic diameter (1 = -4.35 mm) was observed in the exercise group compared with the control group (P = 0.02). A 12-week concurrent training intervention is an effective strategy to induce weight and fat loss with simultaneous reductions of BP and cardiometabolic risk, and improving cardiac function in obese men.