THE DIFFERENCE OF VISUAL REACTION TIME BASED ON LEVEL OF PHYSICAL ACTIVITIES IN MEDICAL STUDENTS OF UDAYANA UNIVERSITY
The reaction time is the interval between the start of the stimulus and the initiation of the movement response. Factors that influence reaction time are age, gender, dominant hand use, intensity of stimulation, fatigue, exercise, and BMI. This study aims to determine the difference in visual reaction time based on the level of physical activity in medical students at Udayana University. The research design used was cross-sectional analytic conducted in May 2019. The total sample of this study was 88 people divided into two research groups based on the level of physical activity. The independent variable in this study is the level of physical activity and the dependent variable is the time of visual reaction. The results showed the value of p=0.003 (p<0.05) with the average visual reaction time in the active physical activity group and the less active physical activity group respectively 462.77 ± 50.116 ms and 513.36 ± 95.757 ms. The conclusion of this study is that there is a significant difference in visual reaction time based on the level of physical activity in Udayana University medical students, where the visual reaction time in the active physical activity group is faster than the less active physical activity group.
Keywords: physical activity, visual reaction time, medical students