Federal University of the Jequitinhonha and Mucuri Valleys 2 articles published in JoVE Medicine Randomized Controlled Trial to Study the Acute Effects of Strength Exercise on Insulin Sensitivity in Obese Adults Luis Filipe Rocha Silva1, Bruna Caroline Chaves Garcia2, Zach A. Mang3, Fabiano Trigueiro Amorim4, Marco Fabrício Dias-Peixoto1, Fernando Gripp1, Valmor Tricoli5, Flávio de Castro Magalhães1,4 1Department of Physical Education, Federal University of the Jequitinhonha and Mucuri Valleys, 2Laboratory of Exercise Biology and Immunometabolism, Centro Integrado de Pós-Graduação e Pesquisa em Saúde, Programa Multicêntrico de Pós-Graduação em Ciências Fisiológicas, Federal University of the Jequitinhonha and Mucuri Valleys, 3Occupational Safety & Health, Los Alamos National Laboratory, 4Department of Health, Exercise, and Sports Sciences, University of New Mexico, 5School of Physical Education and Sport, University of Sao Paulo This study describes a randomized controlled trial protocol aiming at assessing the acute effects of strength exercise volume on insulin sensitivity in obese individuals. Medicine A Real-World High-Intensity Interval Training Protocol for Cardiorespiratory Fitness Improvement Fernando Gripp1,2, Gilton de Jesus Gomes1,2, Ricardo Augusto Leoni De Sousa1,2, Júllia Alves de Andrade3, Ilkilene Pinheiro Queiroz3, Caíque Olegário Diniz Magalhães2, Ricardo Cardoso Cassilhas1,2,3, Flávio de Castro Magalhães1,2,3, Fabiano Trigueiro Amorim4, Marco Fabrício Dias-Peixoto1,2,3 1Department of Physical Education, Federal University of the Jequitinhonha and Mucuri Valleys, 2Multicenter Graduate Program in Physiological Sciences, Federal University of the Jequitinhonha and Mucuri Valleys, 3Graduate Program in Health Sciences, Federal University of the Jequitinhonha and Mucuri Valleys, 44Department of Health, Exercise, and Sports Sciences, University of New Mexico This study presents a low-cost and easy-to-implement "real world" high-intensity interval training (HIIT) protocol for scientific research and discusses its efficiency for cardiorespiratory fitness.