Metabolic Investigation, Physical Performance, Physical Training At Different Times of the Day in Obese Women

Plain-language summary

Obesity is a disease characterized by the accumulation of adipose tissue, which is multifactorial and can be caused by environmental, social, behavioral, biological and genetic issues, and affects people health and well-being. In this sense, it is still difficult to maintain an effective treatment for obesity, since currently in Brazil, 24% of the population is obese and 61% is overweight. Physical exercise is considered a component that promotes numerous benefits to the human body, by releasing molecules through muscle contraction that will travel throughout the body as a whole, resulting in benefits such as increased energy expenditure and, consequently, improved physical performance, which will influence a person\'s daily activities. However, the effects of physical exercise depend on some factors, such as the time and duration of the practice. In addition, the changes that occur in the body can be influenced by the time of day. Likewise, it is known how important it is to maintain adequate sleep duration at night. It is possible that the time of day when exercise is practiced influences the responses that occur in the human body. To understand this fact, obese women will undergo combined physical training (strength and aerobic exercises) performed in the morning and evening. The aim is to better understand the time of day for controlling the metabolism of obese people. And, if there is a time when people perform better in daily activities. Therefore, the objective of this clinical trial is to evaluate whether the time of day influences the responses to combined physical training in the modulation of energy metabolism and its biochemical markers in obese women. The main questions to be answered are: 1. Can combined physical training (CPT) performed at night have different metabolic responses than CPT in the morning? 2. Can cardiopulmonary and muscular strength performance have different magnitudes of responses to CPT performed at different times of the day? 3. Can combined physical training (CPT) in the evening (NOT) compared to the morning (MAT) period cause more marked physiological adaptations, improving metabolic control in women with obesity?

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