Avaliação do estado de hidratação de corredores amadores da cidade de São Paulo-SP, Brasil

Praticantes de atividade fisica ao ar livre sofrem influencia direta do ambiente sobre seu estado de hidratacao, as perdas durante os exercicios, se nao repostas, podem levar a um estado de desidratacao, diminuindo o rendimento na pratica de exercicios. O objetivo foi avaliar o estado de hidratacao de corredores amadores da cidade de Sao Paulo, em condicoes de treino intenso. O estudo foi realizado com uma amostra de 18 corredores amadores da cidade de Sao Paulo, de ambos os sexos e idade entre 31 a 54 anos, praticantes de treinos intensos de 90 minutos de duracao. Foram coletados dados de peso, antes e apos o treino, dobras cutâneas e altura referida. Foi utilizado escala de esforco apos o exercicio e um questionario sobre de hidratacao. Estes dados foram usados para calculo de IMC, Porcentagem de gordura corporal (%GC), Percentual de Perda de Peso (%PP) e Taxa de Sudorese (TXS), associados aos resultados de escala de esforco e ao questionario. Os resultados demonstraram que o IMC (20,04 ± 5,44kg/m2) e %GC (20,04 ± 5,44%) de eutrofia, %PP de 1,5% e TXS 8,7 ± 3,46% demonstrando bom estado de hidratacao ao final do treino, classificando o treino como cansativo de acordo com escala de esforco. Houve maior preocupa com a hidratacao durante e apos o treino, a hidratacao foi realizada com agua, justificando sintomas de desidratacao. Mesmo com bom estado de hidratacao, o esforco realizado demonstra a necessita de uma solucao capaz de repor as perdas durante o treino, evitando queda de rendimento e desidratacao. ABSTRACT Assessment of the state of hydration of amateur corridors in the city of Sao Paulo-SP, BrazilPractitioners of physical activity outdoors suffer direct influence of the environment on their state of hydration, losses during the exercises, if not restored, can lead to a state of dehydration, decreasing the yield in the practice of exercises. The objective was to evaluate the state of hydration of amateur runners in the city of Sao Paulo, in conditions of intense workout. The study was conducted with a sample of 18 amateur runners in the city of Sao Paulo, of both sexes and age between 31 to 54 years, practitioners of intense practice of 90 minutes duration. Weight data were collected before and after the training, skinfolds and height above. Stress Scale was used after exercise and a questionnaire about hydration. These data were used to calculate BMI, body fat percentage (%BF), percentage of weight loss (%WL) and sweating rate (%SR), associated with the results of scale of effort and the questionnaire. The results showed that the BMI (20.04 ± 5,44kg/m2) and %BF (20.04 ± 5.44%) of eutrophy, %WL to 1.5% and % SR 8.7 ± 3.46% demonstrating good state of hydration at the end of the workout, classifying the training as tiring in accordance with a scale of effort. There was a greater concern with the hydration during and after the training, hydration was performed with water, justifying the symptoms of dehydration. Even with a good state of hydration, the effort demonstrates the need for a solution capable of restoring the losses during your workout, avoiding falling income and dehydration.