Abstract
This research is to determine the physical and mental pressure that the athletes of weight-class sports such as wrestling could feel from reducing their weight in a short period of time. In this regard, EEG frequency band tests were conducted among 13 wrestlers of K University in Gyeongnam Province to analyze the changes of their body composition, blood components and emotional states before and after short-term weight loss. paired t-tests were carried out using SPSS 18.0 to analyze the data. The results from the tests are as follows.BR 1. Short-term weight loss led to a meaningful decrease in weight, body fat percentage and free-fat mass(p.05).BR 2. Short-term weight loss did not change the levels of epinephrine, dopamine and cortisol in the blood. Yet, blood norepinephrine showed a meaningful increase after the weight reduction(p.05).BR 3. Short-term weight loss led to a meaningful increase in gamma-wave in the EGG frequency bands tests(p.05).BR Therefore, weight control of weight-class sports athletes(such as wrestlers) who must go through short-term weight loss should be more cautious. In addition, more efforts need to be made to develop more systematic and safe weight-loss programs through varied research so that the athletes could maintain their health career as well as high performance.
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