ABSTRACT BACKGROUND: Overweight and obesity have reached epidemic prevalences. Obesity control involves many factors and needs to begin early in childhood. OBJECTIVES: To ascertain the association between tracked extracurricular sports practice and weight status; and to analyze tracking of overweight and obesity among school-aged children. DESIGN AND SETTING: Prospective cohort study conducted in 13 public schools in Cianorte, Paraná, in 2012-2016. METHODS: The sample comprised 2459 schoolchildren in Cianorte, of mean age 6.3 years at baseline and 9.4 years at follow-up. Body mass index was calculated from body mass and height measurements. The children were grouped as normal weight, overweight or obese. Information on extracurricular sports practice was collected through the dichotomous question “Do you participate in any extracurricular sports?” (“yes” or “no”). RESULTS: Tracking of weight status showed that 75.5% maintained this, with kappa of 0.530. Tracking of extracurricular sports practice showed that 80.9% maintained this, with low concordance (kappa of 0.054). Weight status correlation between baseline and follow-up showed that overweight or obese individuals were 4.65 times (CI: 4.05-5.34) more likely to maintain the same classification or move from overweight to obese at follow-up. Correlation of extracurricular sports practice with overweight or obesity at follow-up was not significant. CONCLUSIONS: These results demonstrated that overweight or obese children were at higher risk of gaining weight than were normal-weight children. In addition, the proportion of these children who maintained extracurricular sports practices over the years was low. Maintenance of this variable was not associated with weight status.

Resumo Este estudo teve como objetivo verificar a interferência do consumo de diferentes bebidas artesanais a base de carboidratos durante o treinamento sobre as concentrações plasmáticas de lactato e glicose e sensação afetiva de atletas da modalidade de Ginástica Rítmica (GR). O estudo foi desenvolvido com 10 atletas (14 a 19 anos) de GR, realizados em três dias consecutivos (1° dia: controle G1; 2° dia: Suplemento 1 G2; 3° dia: Suplemento 2 G3), com ingestão da bebida em três momentos distintos: no início do treino, 1 hora e 2 horas após. Os resultados permitem concluir que os suplementos foram eficientes para manter os níveis glicêmicos, além disso, as bebidas artesanais a base de carboidratos proporcionaram maior sensação de prazer diante do esforço realizado, principalmente o G3.

Abstract This study aimed to verify the influence of the consumption of different handmade drinks containing carbohydrates during training on lactate and glucose concentration and affective feeling of Rhythmic Gymnastics (RG) athletes. The study was conducted with 10 athletes (14-19 years) of RG, performed during three consecutive days (1st day: control G1, 2nd day: Supplement 1 G2, 3rd day: Supplement 2 G3), with intake at three different times: at the beginning of training, 1 hour and 2 hours after. The results showed that the supplements were effective in maintaining glucose; moreover, the handmade drinks containing carbohydrates provided greater sense of pleasure at the efforts, especially in G3.

Resumen Este estudio tuvo como objetivo verificar la influencia del consumo de diferentes bebidas preparadas artesanalmente que contienen hidratos de carbono durante el entrenamiento en la concentración plasmática de lactato y glucosa, y el sentimiento afectivo de atletas de gimnasia rítmica (GR). El estudio se llevó a cabo con 10 atletas (14-19 años) de GR, realizado durante 3 días consecutivos (primer día: control G1; segundo día: suplemento 1 G2, y tercer día: suplemento 2 G3), con la ingesta de la bebida en tres momentos diferentes: al comienzo del entreno, 1 hora y 2 horas después. Los resultados mostraron que los suplementos fueron efectivos en el mantenimiento de los niveles de glucosa; además, las bebidas preparadas artesanalmente que contienen hidratos de carbono proporcionan mayor sensación de placer por los esfuerzos realizados, especialmente en G3.