The primary purpose of this study is to determine the correlation between reaction time and skill movement time in fencers, judo players, and basket ball players. The secondary purpose of the study is to compare reaction times of fencers, judo players and basket ball players one another and to gain quantative in formations. Methodology. Fifteen male fencers, fifteen male judo players and basket ball players were randomly chosen as subjects for the study. Subjects were tested (1) standing broad jump, (2) sargent jump, (3) simple reaction time, and (4) skill movement time. Conclusion. Within the limitations of the study the following conclusions were reached: 1. There were statistically correlated between simple reaction time and skill movement time of the three sports players. (Judo players r=0.88, fencers r=0.60, basket ball players r=0.31.) 2. There were no statistically corrletad between simple reaction time and power of the three sports players. 3. There were statistically significant differences between fencer’s simple reaction times and judo player’s simple reaction times. (0.001 p 0.01) 4. There were statistically significant differences between ball player’s simple reaction times and judo player’s simple reaction times. (0.001 p) 5. There were no statistically significant differences between basket ball player’s simple reaction times and fencer’s simple reaction times.