influência da suplementação de carboidrato na função imune de judocas durante o treinamento influence of carbohydrate supplementation in the immune response of judoists during training

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ID: 137276
2009
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Abstract
O objetivo deste trabalho foi investigar os efeitos da suplementação de carboidrato, durante uma sessão de treino, sobre a função imune de atletas de judô. Dezesseis judocas do sexo masculino foram submetidos a duas sessões de treinamento de 120 minutos cada, com três dias de intervalo entre elas. Na primeira sessão, oito judocas, separados de forma aleatória, foram suplementados (3mL/kg peso corporal) com solução carboidratada (grupo CHO) e os demais, com solução placebo (grupo PLA), de forma duplo-cega. Na segunda sessão os tratamentos foram invertidos. O número de leucócitos, linfócitos, monócitos, eosinófilos, neutrófilos, os níveis de cortisol e as concentrações de glicose e lactato foram medidos em repouso (Pré-E), imediatamente após (Pós-E) e uma hora após o término da sessão de treino (1h pós-E). Os resultados mostraram que a glicemia aumentou (p < 0,05) durante a sessão de treino no grupo CHO e reduziu-se (p < 0,05) no grupo PLA. O cortisol aumentou (p < 0,05) durante a sessão de treino, independente do tipo de solução consumida, bem como durante a recuperação no grupo PLA. O consumo de CHO resultou em menor (p < 0,05) leucocitose, quando comparado com o PLA, nos períodos Pós-E e 1h Pós-E. A elevação da concentração de lactato sangüíneo decorrente do exercício correlacionou-se positivamente com o aumento dos leucócitos (r = 0,86, p < 0,001) nos dois grupos. Concluiu-se que a ingestão de bebida carboidratada por atletas de judô durante uma sessão de treino resultou em menor perturbação da contagem total de leucócitos e suas subclasses: linfócitos, monócitos, eosinófilos e neutrófilos. Esses resultados sugerem proteção à saúde imunológica de judocas fomentada por essa estratégia nutricional.
The aim of this study was to investigate the effects of carbohydrate supplementation on the immunological function of judoists during a training session. Sixteen male judo athletes were submitted to two 120 min training sessions within 3 days interval. In the first session eight athletes randomly chosen were supplemented (3mL/kg body weight) with a carbohydrate solution (CHO group) while the others ingested a placebo solution (PLA group) in a randomized and double blind way. In the second session, treatments were inverted. Leukocyte, lymphocyte, monocyte, eosinophil and neutrophil were counted and blood levels of cortisol, glucose and lactate were assessed at rest (Pre-E), immediately after the training session (Post-E) and one hour after the training session (1h Post-E). The results showed that the blood glucose levels increased during the training session when athletes were given CHO and decreased when they ingested PLA. Cortisol levels increased during the training session in both conditions and decreased 1h Post-E. Athletes consuming CHO presented a reduced number of leukocytes when compared to those ingesting PLA in both Post-E and 1h Post-E periods. The increase in blood lactate concentration in response to exercise training was positively correlated with the increase in the leukocyte number (r = 0. 86, p<0.001) in both conditions. It was concluded that CHO supplementation during a judo training session resulted in less disturbance of total leukocytes. It suggests that such nutritional strategy protected the athletes' immunological health.
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mendes2009revistainfluncia Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Edmar Lacerda Mendes, Ciro José Brito, Ellencristina Silva Batista, Carlos Henrique Osório Silva, Sérgio Oliveira de Paula, Antonio José Natali
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Journal research disclosure
Year 2009
DOI
10.1590/S1517-86922009000100013
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-86922009000100013
Keywords
training

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