Pre and post measurements
CONTRACTION
For pre and post-test measurements, the participants standing on the step, hearing the sound stimulus, without any contraction in the leg muscles, let themselves down from the steps, and as soon as the domain leg touched the ground, immediately jumped up and then landed on the floor. Also, for the skill to be performed in a completely natural way, the subject's hands were opened, and asked not to use their hands to perform the jump and to put them on their waistDrop jump phases.