Evaluation of water loss of physical activity practitioners in two different modalits in gyn in São Paulo
Abstract
Introduction: The practise of physical exercise provides an increase of sweating. The dehydration can compromise your performance during an exercise and increase the risks associated with physical effort and heat. Purpose: The purpose of this study was to calculate the percentage of water loss and the index of sweating of the physical activity practitioners of a Gym in Sao Paulo. Materials and Methods: 17 practitioners, females, aged between 20 and 50, who were attending 40 min Jump and Spinning classes were evaluated. All practitioners were weight on a digital weight, before and after class. They received a questionnaire of hydration with 8 questions. Results: The results show that the middle index of sweating discovered in the Jump class was 6,7 ml/min and 4,4 ml/min in the Spinning class. The most common symptom was the port-exercise exhaustion (47,1%). Discussion: The questionnaire showed that 82,4%, the majority, was drinking water at that time and 52,9% did not show any sign of dry mouth. Conclusion: In the event of longer classes, some of the practitioners could suffer from dehydration , even reaching a severe dehydration.
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