Inclusion Criteria:  Experience in resistance training (at least 18 months of three weekly sessions).  A one-repetition maximum weight (1 RM) higher than bodyweight in the bench press and of 1.5 of body weight in squat exercise No sports supplement was taken in the previous three months No smoking. No cardiovascular, pulmonary or neurological disease. To not be considered an elite athlete.  Exclusion Criteria:  Age <18 year or > 35 years.