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IRCT20230129057266N1 IRCT 2023-03-11 Tarbiat Modares University Cranial Electrical Stimulation in Sports Investigation of Nine-session trans-cranial Direct Current Stimulus on Sport Performance and Balance in Professional Taekwondo Athletes 2023-05-05 anticipated 24 Complete https://irct.ir/trial/68307 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Used, Assignment: Parallel, Purpose: Supportive, Randomization description: Concealment of randomized assignment to the intervention and control groups is done using non-transparent sealed envelopes, each of the random sequences created is recorded on a card and the cards are placed in the envelopes in order. At the time of starting the registration of the participants, according to the order of entry, they will pick one of the envelopes, Blinding description: When entering the study, participants will receive a sealed envelope, the contents of which they will not know before and after randomization. Participants do not know whether the tDCS device is on or off. The device light is on even with no current connection to the head. Furthermore, the data analysis will be performed using a computer which is blind to the groups. N/A Taekwondo professional athletes. Intervention 1: Intervention group: Volunteers will receive tDCS with a current of 2 mA for 20 minutes in each session. In this stimulation, the anode (according to the global standard of 10-20 indicators of EEG devices) will be placed on C3 and C4 and the cathode on the supraorbital process. The position of the volunteers will be sitting, and the stimulus time is scheduled one to two hours before the usual exercises of the athletes and three times a week. Segal Steam device will be used to apply tDCS. Intervention 2: Control group: Volunteers will appear in each session in a placebo or sham condition (only by connecting the electrodes to the places mentioned in the intervention group) with the device turned off for 20 minutes without knowing about the other group. Yes - There is a plan to make this available What will be shared: All processed and analyzed data will be released. These data include the questionnaire scores and linear and nonlinear outcomes of the stability, before and after the interventions. When: from 6 months after the official publication of results To whom: All academic and clinical researchers Conditions: Only for use in neuro-musculoskeletal simulations and sport performance improvements Where to obtain: By contacting the corresponding author of the published papers by email, phone or postal address How to obtain: Process: 1. Determining the data of interest by the applicant 2. contacting the corresponding author to submit the queries by the applicant 3. Reviewing the queries by the research team 4. Responding to the queries till 10 working days by the research team Comments:
public Mohammed Najafi-Ashtiani
Jalal AleAhmad Hwy, Nasr Bridge
Tehran Iran (Islamic Republic of) 14115-111 +98 21 8288 5054 mnashtiani@modares.ac.ir Tarbiat Modares University scientific Mohammed Najafi-Ashtiani
Jalal AleAhmad Hwy, Nasr Bridge
Tehran Iran (Islamic Republic of) 14115-111 +98 21 8288 5054 mnashtiani@modares.ac.ir Tarbiat Modares University Iran (Islamic Republic of) BMI between 20 and 25 kg/m2 history of being more than one-year professional Taekwondo athlete 18 years 30 years Both neurological or brain surgery head or skull wound heart disorder, using pacemaker or heart battery history of epilepsy having metal implant near the skull Other Other Intervention group: Volunteers will receive tDCS with a current of 2 mA for 20 minutes in each session. In this stimulation, the anode (according to the global standard of 10-20 indicators of EEG devices) will be placed on C3 and C4 and the cathode on the supraorbital process. The position of the volunteers will be sitting, and the stimulus time is scheduled one to two hours before the usual exercises of the athletes and three times a week. Segal Steam device will be used to apply tDCS. Control group: Volunteers will appear in each session in a placebo or sham condition (only by connecting the electrodes to the places mentioned in the intervention group) with the device turned off for 20 minutes without knowing about the other group. Acceleration of the Athlete's leg. Timepoint: before and after 9 sessions of intervention (tDCS). Method of measurement: Attachment of accelerometer on leg. Time of shuttle run test. Timepoint: before and after 9 sessions of intervention (tDCS). Method of measurement: Chronometer. Time of figure of eight hopping. Timepoint: before and after 9 sessions of intervention (tDCS). Method of measurement: Chronometer. Tarbiat Modares University Approved 2022-12-24 Tarbiat Modares University Ethics Committee Jalal AleAhmad, Nasr Bridge Tehran Tehran Iran (Islamic Republic of)