Özet:

The study aimed to examine the effect of service trainings performed with eyes closed on the target service success percentage in volleyball players. The study was carried out with 22 volunteer male volleyball players. The volleyball half court was divided into six zones, each zone with a distance of 3 meters. In the trainings, the athletes were asked to serve 10 to each predetermined target zone with their eyes tied with a black eye patch. In the pre-test and post-test application, following the appropriate warm-up process, the athletes were asked to serve 20 to each zone with their eyes open. For the statistical analysis of the data obtained, SPSS 21.0 package program was used. In the evaluation of the data; descriptive statistics, non-parametric Wilcoxon signed-rank test and Friedman test were used. P<0.05 was accepted for statistical significance.  As a result of the applications performed, it was found that the difference between the pre-test and post-test service success percentages in the zones 1, 2, 3, 4 and 6 was significant. In the post-test values, the percentages of the total serve into the zones were higher than the pre-test serve percentages. In the applications, the percentage distribution of the serve with eyes closed was found to be higher according to the days. The service percentage values in the first and last training sessions increased significantly. As a result, it was determined that the service trainings performed with eyes closed affected the success percentage in the service.

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