Anthropometric characteristics, dietary profile and nitrogen balance of Brazilian Jiu Jitsu athletes
Abstract
Objectives: to analyze body mass, food intake and nitrogen balance of Brazilian Jiu Jitsu amateur athletes. Methods: Age, stature, skinfolds, percentage of body fat, food intake and nitrogen balance of 11 Brazilian jiu jitsu amateur athletes, adults of both sexes, were investigated. For this, structured questionnaires, 24-hour food records and anthropometric evaluation were applied, in addition to the 24-hour urea dosage for determination of the nitrogen balance. Results and discussion: mean weight of 23.20 ± 5.70 years (standard deviation), weight of 79.89 ± 20.67 kg, height of 1.75 ± 0.09 m and fat percentage of 14.51 ± 6.02%. They presented the amount of energy (2,887.00 ± 940.60 kcal / day) and carbohydrates (54.78 ± 5.67%) below the original level of the literature; (1.62 ± 0.60 g / kg), lipids (27.54 ± 5.91%) and some micronutrients, such as zinc and vitamins D, E, B1, B2, B3, B6, C and B12; the dietary intake of vitamins A and B5, as well as calcium, magnesium, potassium, iron and sodium being inadequate. There was no difference between athletes in relation to energy and macronutrients (Kruskal Wallis test). Nitrogen balance was positive in all athletes. Neutral content between protein and nitrogen balance positivity (Fischer's test). Conclusion: An inadequate intake of energy, carbohydrates, vitamins A and B5, as well as calcium, magnesium, potassium, iron and sodium, present themselves as protagonists of this study, presenting a worrying and detrimental factor in terms of performance and health.
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