The effect of caffeine on some cardiovascular factors in male student athletes

AbstractThe purpose of this study was to examine the effect of caffeine on some cardiovascular factors and endurance exercises in male student athletes. Thus, 45 subjects with an average age of 20-28, height of 163.4-182.5 centimetres, and weight of 59.9-73.9 kg were matched into three groups as follows: experimental (1) Taking caffeine one hour before exercise (OHBE), experimental (2) taking caffeine three hour before exercise (THBE), and control group taking placebo. Descriptive statistic and One-Way Analysis of variance, dependent t, and follow-up Tukey test at (p= 0.05) were used to analyze data. The results showed that there were a significant difference between heart rate (HR), systolic blood pressure (SBP), diastolic blood pressure (DBP), blood glucose (BG) and time of endurance performance (TEP) in experimental groups and control group