IRCT20090228001719N7 IRCT 2018-07-20 Tehran University of Medical Sciences Effect of vibration on prevention of fatigue The prophylactic effects of local vibration on quadriceps muscle fatigue in 18-25 years old men 2017-06-20 anticipated 30 Complete https://irct.ir/trial/30318 interventional Randomization: Randomized, Blinding: Single blinded, Placebo: Used, Assignment: Other, Purpose: Prevention, Randomization description: A simple randomization by removing sealed envelopes that inside the envelopes written " vibration" or " no vibration" word, and people were asked to remove one of the envelopes. If the envelope was removed had the word "without vibration", the person in the placebo group And vice versa, Blinding description: Participant were blinded and they did not know what to do if they were effected by vibration or not. N/A Healthy- non athletic persons. Intervention 1: Intervention group: The local vibration was used at a 50 Hz for 2 minutes on the quadriceps muscle, while the EMG activity of the muscle was recorded. Intervention 2: "Control group:" In this group, local vibration used in placebo manner over the quadriceps and simultaneously electromyography activity recorded. No - There is not a plan to make this available Justification or reason for not sharing IPD is There is no further information