Caffeine Athletic Performance Analysis

After that, the subjects were ready to begin testing. During the first eight visits, the participants performed the exhaustion ride (ER) at the same time of day. Most of the ERs were performed on a week by week premise, but sometimes it went up to 3 weeks in between test sessions. The first phase of the ER involved 5 min of non-stop cycling at around 50% VO2max with a pedal frequency that was between 60 and 100 rev/min. During the second phase, subjects rode until they felt exhausted at roughly 80% VO2max at the same pedaling frequency. Once the pedal frequency fell below 50 revs/min they had to stop. The data revealed that supplements of caffeine remarkably increased total exercise time, even if the caffeine in capsule form was taken right

These reports all agree that caffeine taken from an anhydrous form (tablet or capsule) enhanced performance more than the placebo and a cup of coffee.

Low, Medium, and High Dosages of Anhydrous Caffeine and Endurance Exercise

In 1995 Pasman and his team investigated the impacts of differing amounts of caffeine on endurance performance. Nine healthy, well-trained cyclists performed four endurance tests over four consecutive weeks. One hour before testing, individuals were instructed to take one of the four treatments: "placebo, 5, 9, and 13 mg/kg of caffeine in capsule form". (Pasman, 1995) Day of the week and time were kept the same in each participant. During each session, subjects cycled six rides to exhaustion at about 80% maximal power and were forced to stop if the pedaling frequency was any lower than 50 RPM. Blood samples were taken before, during and after the exercise test. Results identified that all three caffeine treatments strikingly increased the individual's endurance performance as compared to placebo. Moreover, the data also shows that their cycling time increased by approximately 27% for all the