Revista Brasileira de Nutrição Esportiva

256-262

Authors: Maycksuel Kayano Santana Silveira, Rafaello Pinheiro Mazzoccante, Ioranny Castro de Sousa, Rafael Reis Olher, Lucas Vilela Mendes, Ricardo Yukio Asano, Rafael da Costa Sotero

In fighting sports athletes usually resort to strategies in order to compete with lower weight in order to benefit athletes competing with lighter athletes, reducing its weight before the official weigh-in and trying to get it back in a short period of time between weighing and fight. The aim of this study was to compare the methods and strategies used for weight loss among judo and jiu jitsu athletes, as well as the prevalence and perception of the athlete in relation to this procedure. Participants comprised 55 judo athletes (20.14 ± 6.27 years) and 19 jiu jitsu athletes (22.52 ± 3.83 years) of both sexes, aged 15-30 years. All completed a questionnaire with questions regarding the use or not of methods and strategies for weight loss often used in the pre-competition period. 80% of judo athletes and 63% of the athletes reported using jiu jitsu methods of rapid weight loss prior to competition, and this was accompanied by a low adherence to strict diets, reflecting 14.5 and 21.1% of athletes judo and jiu jitsu respectively, was reported feelings of "tiredness" and "lack of focus" between both groups conclude that the higher prevalence of weight loss occurs in pre-competition judo athletes in relation to jiu-jitsu, but the prevalence was high in both sports. Key words: Performance, Nutrition, Dehydration, Fighters, Martial Arts.

269-278

Authors: Denise Félix Quintão

Introduction: The Jiu Jitsu is a sport played by people worldwide Objective: To assess the strategies used for weight loss, the composition of the pre-workout meal and the level of dehydration in athletes during training Jiu Jitsu. Materials and Methods: A cross-sectional, with athletes, three teams of Jiu Jitsu Ipatinga, MG. We applied a questionnaire containing questions regarding the competitive period, nutritional counseling, strategies used for rapid weight loss, meal held in the pre workout. To determine the level of dehydration the athletes were weighed before and after training. Results: We counted with 46 athletes, 78.3% were male. Most athletes (47.8%) reported using strategies for weight loss in pre-competitive, such as caloric restriction (34.5%), increased physical activity (27.6%) and fluid restriction (13, 9%). Regarding the percentage of consumption of macronutrients in the pre-workout meal there was moderate intake of protein and fat and low carbohydrate intake. There was no difference between significant carbohydrate consumption when compared to the group being competitive and being non-competitive group. There was also no significant difference between the weight before and after training. The highest mean percentage of dehydration was 0.92%, found in the third team Conclusion: Most athletes use of inappropriate strategies for weight loss. Much of the sample reported a lower intake of carbohydrate in the pre-workout meal and showed reductions in body weight after training less than the tolerable limit. Key words: Weight Loss. Food. Dehydration. Jiu jitsu.

287-299

Authors: Débora Cristina Costa, Nayara Caroline Andrade da Rocha, Denise Félix Quintão

The number of academies in Brazil is growing constantly and parallel to this, the food supplements are increasingly being used by its frequenters. The objective of this study was to identify the prevalence of the consumption of food supplements for individuals practicing physical activity in academies in two cities in the Valley of Steel, MG, and its associated factors. A research was conducted in September and October 2012, which applied a questionnaire containing 17 questions on the use of food supplements and its associated factors in nine academies. The sample was composed of 368 goers of the academies, being divided into two groups: users (40.2 %) and non users (59.8 %) of food supplements. In relation to age there was significant difference between the groups, with lower median for the group of users. In the group of non users, 56.0 % were female and practiced physical activity there is less than six months. Between the users 75.0 % were male, 47.0 % practiced physical activities there more than two years, and the bodybuilding to the more practiced (50.9 %).The supplement was the most common Whey Protein (20.0 %). The main purpose for the use of supplements has been the gain of muscle mass (33.8 %), and 91.2 % showed satisfaction with the use of the product. It was found that only 20.5 % of the users of supplements were oriented by nutritionists and that 48% spend between R$51.00 and R$150.00 with these products. It is concluded that is large consumption of food supplements, without professional guidance appropriate, by frequenters of the academies. Key words: Dietary supplements, Practitioners of physical activity, Academies, Sports nutrition.