IRCT20220620055232N1 IRCT 2022-07-26 The university of Shahid Beheshti The Effect of Weightlifting Training with Adding Respiratory Dead Space on Performance and Muscle Hypertrophy The Effect of Ten Weeks of Weightlifting Training with Adding Respiratory Dead Space on Performance and Muscle Hypertrophy Variables in Young Lifters 2022-08-23 anticipated 20 Complete https://irct.ir/trial/64351 interventional Randomization: Randomized, Blinding: Not blinded, Placebo: Not used, Assignment: Parallel, Purpose: Other, Randomization description: First, a list of subjects is prepared according to the inclusion criteria and available sampling, after determining the sample size with G power software, 20 people are selected by simple random method and random digits table. First, each person in the list is given a two-digit code, and then randomly, blindfolded and using a finger, we start from a point in the table of random numbers in the direction of the row or column, and we choose a number that is actually the code of a person from the list. which is chosen as a sample and we place them equally in two groups so that the first code is placed in the first group and the second code is placed in the second group and we continue in the same way until reaching the desired sample size. N/A Performance and hypertrophy in male weightlifters. Intervention 1: Intervention group: exercise group with mask and tube. Using an oxygen mask with a ventilator tube 2.5 cm in diameter and 204 cm long to provide 1000 ml of dead space is used by this group during weightlifting exercises. Intervention 2: Control group: exercise group without mask and tube. This group will do their weightlifting exercises without using masks and tubes. No - There is not a plan to make this available Justification or reason for not sharing IPD is Each person's data alone is useless.