Effect of caffeine on weight and physical performance

INTERVENTION: B01.650.940.800.575.912.250.084.500.750 Experimental group: 10 physically active men received a drink containing (3g) of Ile Xparaguariensis diluted in (250ml) of water. 1 hour after consumption, the participants were submitted to tests of 1 repetition maximum in bench press and leg press. Control group: 10 physically active men were given a drink containing (1.6g) of powdered tea flavored refreshment diluted in (250ml) of water (placebo). 1 hour after consumption, the participants were submitted to the tests of 1 repetition maximum in the bench press and leg press. G07.203.300.456 G11.427.410.698.277.311.188 CONDITION: E01.370.600.425 Performance Tests PRIMARY OUTCOME: It is expected to find an increase in kilograms in the load of the tests of 1 maximum repetition in the bench press and leg prees, verified through the Student's t test, from the finding of a difference of less than 0.005 between the pre‐ and post‐intervention assessments SECONDARY OUTCOME: Secondary outcomes are not expected INCLUSION CRITERIA: Man; physically active; experience with resistance training for at least 2 months; equal or greater than 18 years; availability of time and transportation