IRCT20220226054122N1 IRCT 2022-03-01 Tehran University of Medical Sciences Investigation of Whole Body Vibration Effect on Stability during Jump Landing The Effect of Whole Body Vibration (WBV) on Dynamic Postural Stability during Jump Landing in Athletes Following Anterior Cruciate Ligament Reconstruction 2022-04-03 anticipated 28 Complete https://irct.ir/trial/62172 interventional Randomization: Randomized, Blinding: Double blinded, Placebo: Not used, Assignment: Parallel, Purpose: Treatment, Randomization description: Random َAllocation will be done through Randomization.com and Balanced Block Randomization Method. The Size of the Blocks is 4. Also, for Allocation Concealment, sealed and numbered Envelopes are used, which are provided to the Participants by the Secretary, Blinding description: Assessor and Analyser. N/A Condition 1: Poor Dynamic Postural Stability. Condition 2: Anterior Cruciate Ligament Reconstruction Surgery. Intervention 1: Intervention group: Whole Body Vibration and exercise training 3 sessions a week and for 4 week. 9 positions are defined for the person, each of which from sessions 1 to 12 with different repetitions on the Whole Body Vibration device with a frequency between 30 to 50 Hz, amplitude 2.5 to 5 mm, number of sets between 8 to 16, rest Between sets of 60 seconds and duration of vibration 4 to 16 minutes, are performed from the first session to 12th session. Position 1: legs in the middle of the plate and slightly apart, knees slightly bent and back straight , Position 2: Standing on one leg, middle leg Plate, knees also slightly bent and waist straight, Position 3: Mini-squat / Position 4: Mini-squat on one leg / Position 5: Squat / Position 6: Squat on one leg / Position 7: Squat with the legs apart ./ Position 8: One foot in the middle of the plate and the other foot outside the plate, knees at 90 degrees flexion and back straight / Position 9: Standing on toes. Intervention 2: Control group: exercise training. 10 RM. exercise training include strength training and perturbation training. 12 sessions: 3 sessions per week for 4 weeks. Undecided - It is not yet known if there will be a plan to make this available Justification or reason for indecision in sharing IPD is There is no more information