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IRCT20230325057773N1 IRCT 2023-09-12 Tehran University of Medical Sciences The immediate effect of local vibration on quadriceps muscle fatigue recovery in soccer players The immediate effect of local vibration after quadriceps muscle fatigue on balance and performance in healthy young semi-professional male soccer players 2023-09-23 anticipated 26 Complete https://irct.ir/trial/69357 interventional Randomization: Randomized, Blinding: Single blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: General questionnaires have been prepared to the number of sample size and on the back of half of sheets are written "intervention" and the other half are written "control". The participants should be randomly divided into two intervention and control groups of each 13 people. For this purpose, the sheets are placed in a jumbled manner and each participant chooses one of the sheets upon arrival and based on the title on the back of the sheet, it is placed in one of the intervention or control groups. In this way, the sheet chosen by the participant is separated from the questionnaire sheets, Blinding description: The assessment of result of the Single Leg Hop test and the Y balance test will be done by the Assessor and the quadriceps torque will be determined by the isokinetic device, and the interventionist will not be present. Also, the Assessor does not know which of the control or intervention groups the participant is in, and the Assessor will not be present during the intervention (rest or local vibration). N/A Balance and Performance after Muscle Fatigue. Intervention 1: Case Group: Quadriceps muscle local vibration of the dominant leg: creation of mechanical vibration in the muscle locally by an electrical mechanical device called vibrator 717A made in Japan. Local vibration is applied to the case group for two minutes with a manual vibrator device without pressure on the quadriceps muscle with a frequency of 50 Hz. Intervention 2: Control group: Rest for 2 minutes. Yes - There is a plan to make this available What will be shared: Individual data of participants: All data except personal information can be published When: The start of the access period at the same time as the results are printed To whom: Academic researchers and people working in medical engineering are allowed to access the data. Conditions: Data can be used in new researches and making the vibrator device. Where to obtain: Mostafa Jafari amjidsph007@gmail.com How to obtain: The request will be sent to the email and the data will be provided to them as soon as possible Comments:
public Mostafa Jafari
Faculty of Rehabilitation , Enghelab Ave.
Tehran Iran (Islamic Republic of) 1344763351 +98 21 6684 4442 amjidsph007@gmail.com Tehran University of Medical Sciences scientific Mostafa Jafari
Faculty of Rehabilitation , Enghelab Ave.
Tehran Iran (Islamic Republic of) 1344763351 +98 21 6684 4442 amjidsph007@gmail.com Tehran University of Medical Sciences Iran (Islamic Republic of) semi-professional soccer players Men 18 to 35 years old Absence of neurological, vestibular, orthopedic and respiratory cardiovascular disorders 18 years 35 years Male The participant's lack of consent to participate in the trial before or during the research The participant's inability to complete the research process The participant's awareness of how to conduct the experiment for himself before the research Fatigue of the participant before the start of the trial for any reason, including recent intense sports activity M62.9 Disorder of muscle, unspecified Rehabilitation Rehabilitation Case Group: Quadriceps muscle local vibration of the dominant leg: creation of mechanical vibration in the muscle locally by an electrical mechanical device called vibrator 717A made in Japan. Local vibration is applied to the case group for two minutes with a manual vibrator device without pressure on the quadriceps muscle with a frequency of 50 Hz. Control group: Rest for 2 minutes Maximum isometric torque of quadriceps muscle. Timepoint: Before fatigue , Immediately after fatigue , Immediately after intervention / rest. Method of measurement: Isokinetic device Dynamometer. Dynamic Balance. Timepoint: Before fatigue , Immediately after fatigue , Immediately after intervention / rest. Method of measurement: Y balance test in anterior, posterior-internal, posterior-external directions. Performance. Timepoint: Before fatigue , Immediately after fatigue , Immediately after intervention / rest. Method of measurement: Single leg jump test. Tehran University of Medical Sciences Approved 2023-04-26 Research Ethics Committees of School of Nursing and Midwifery & Rehabilitation - Tehran University o Tehran University of Medical Sciences Headquarters , Qods st. , Corner, Keshavarz Blvd. Tehran Tehran Iran (Islamic Republic of)