Evaluation of some variables of U17- U18 age group of beach and indoor voleyball players in national team preparation program

The purpose this study was to evaluation of some variables of U17- U18 age group of beach and indoor voleyball players in national team preparation program. A total of 47 male and female (male=25, female=22) U17- U18 age group of beach and indoor voleyball players in national team preparation program participated in this study voluntarily. In the study, bia was used for determination of body fat percentage (BF), lean body mass, right-left leg fat, fat mass, muscle, lean mass; right-left arm fat, fat mass, muscle, lean mass; trunk fat, fat mass, muscle and lean mass. For the determination of morphological variables, subjects height, body weight, skinfold thicknesses, circumference and girth measurements were taken. The Wingate Anaerobic Power Test (WanT) and vertical jump test were used for the determination of anaerobic performance. Peak isokinetic knee extension and flexion torques were determined at 60º.s-1, 90º.s-1 and 120º.s-1. Agility performance was measured using the T drill and 505 agility test. Sportkat 2000 was used for the determination of balance. Isometric Dynamometer was used for the determination of knee and back strength. Indepented sample t-test was used to compare with beach and indoor volleyball players performans. Indepented sample t-test indicated no significant differences between beach and indoor volleyball players performans. As a conclusion, the findings of the present study indicated that beach voleyball players and indoor voleyball players performans result in no significant difference in voleyball branch which is bind only with the special position training by the training levels. It is also thought that the cause.