This study was conducted to determine the effect of acute fatigue on balance performance in male athletes performing fitness exercises. For this purpose, our hypothesis; (i) is that after maximum loading, the balancing performance will be adversely affected. The sample of our study consisted of a total of 17 volunteer athletes between the ages of 21-28 who regularly do fitness at Academy Fitness Center in Bingöl Province. In our study, balance measurements were taken before and after the "Bruce protocol". SPSS 23 package program was used in all statistical evaluations. Arithmetic mean of age, height, body weight and BMI values of the subjects were given. The age, body weight, height and BMI values of the group participating in the study were determined as 23.93 years, 74.37 kg, 1.77 m, 23.53 kg/height2, respectively. It was found that there was a statistically significant difference in the right-left standard deviation values in the static balance data before and after loading with eyes open (p