Optimal achievement is an accumulation of various factors that support achievement in athletes. For optimal achievement, many things are factors, one of which is a supporting factor related to fluid needs. In this study, the researchers placed more emphasis on athletes' understanding of nutrition. Nutrition has a huge impact on an athlete's performance. Athletes have great potential in training, especially athletes who do not understand nutrition during the training process. The purpose of this

more »

... study was to find out the comparison of knowledge levels, attitudes, and behaviors regarding the fulfillment of fluid needs during sports in Taekwondo and Yogyakarta karate athletes. The design of this study uses descriptive karate and taekwondo athletes in Yogyakarta. The research was conducted through instruments" questionnaires that have been validated by experts. The results of this study related to the level of knowledge related to fluid fulfillment the average value of karate hydration level is 11.61 the average value of taekwondo hydration level is 12, with the conclusion that there is no difference in hydration level between taekwondo and karate because the significance value is 0.510 > 0.05. The research for his attitude level was that the average value of karate hydration level was 11.61 the average value of taekwondo hydration level was 12.78 which means there is a difference in hydration levels between taekwondo and karate groups because the significance value is 0.028 < 0.05 higher in the taekwondo group. Then next is the level of behavior the result is the average value of the hydration level of karate is 12.83 the average value of Taekwondo hydration level is 13.39 which means there is no difference in hydration level between taekwondo and karate because the significance value is 0.257 > 0.05.