O efeito de um programa de futebol recreativo de 12 semanas sobre a taxa metabólica de repouso de adolescentes com obesidade

• Autor(a) principal: Soares, Isabela Freire
• Data de Publicação: 2022
• Outros Autores: [e-mail]
• Tipo de documento: Dissertação
• Idioma: por
• Título da fonte: Biblioteca Digital de Teses e Dissertações da UERJ
• Texto Completo: http://www.bdtd.uerj.br/handle/1/17686
• topic: Resting metabolic rate; Obesity; Adolescents; Recreational soccer; Taxa metabólica de repouso; Obesidade; Adolescentes; Futebol recreativo; Metabolismo basal; Obesidade em adolescentes; Futebol; Exercícios físicos para jovens; CIENCIAS DA SAUDE::EDUCACAO FISICA

The resting metabolic rate (RMR) is responsible for approximately 50-70% of the total daily energy expenditure in adolescents with obesity. Individuals are constantly subject to the influence of biological and environmental variables that alter the RMR values, especially the fat-free mass (FFM), which depending on its modulation can facilitate or hinder to control weight in obese adolescents, through the administration of energetic balance. Thus, the physical exercise is identified as a relevant factor, since, some studies associate the increase in RMR due to the increase in FFM, but, other mechanisms induced are also discussed as influencing RMR. However, the literature is still very inconclusive, due to the lack of agreement between the different RMR assessment protocols, as also the exercise programs proposed for this population. Thus, the present dissertation, with the aim of of analyzing the impact of regular recreational soccer practice for 12 weeks on health markers in obese adolescents, presents the development of two original studies: 1) In the methodological study, the aim was to identify the time needed to achieve a steady-state (SSt) for an accurate assessment of RMR in nonobese and obese adolescents. The sample consisted of 30 adolescents of both genders who were evaluated by a test and re-test of VO2 at rest to determine the ideal time in which obese adolescents were achieve the SSt for calculating the RMR. The results are expected to show a stabilization of the VO2 and VCO2 measurements at rest and the RMR, at approximately the 20th minute of the evaluation. 2) In the experimental study, the aim was to analyze the chronic effect of a 12-week recreational soccer program on the RMR, body composition and cardiorespiratory fitness of obese adolescents. The sample consisted of 10 obese adolescents who participated in the intervention and 10 in the control group. The soccer training occurred for 12 weeks, 3 times a week, for 60 minutes. It is expected that at the end of the program, adolescents will show improvements in health factors, especially in the resting metabolic rate