The effect of developing some elements of physical fitness to raise the level of skillful performance of the crushing hit in volleyball under 17 years old at Al-Morouj Club

The study aims to identify the impact of the development of some elements of physical fitness to raise the level of skill performance of the overwhelming hitting in volleyball under 17 years old at Al-Morouj Club. For the middle class (17) years, totaling (20) players were chosen by the intentional method, at Al-Morouj Club in Al-Marj city. Under study, the second hypothesis, which indicates that there are statistically significant differences between the pre and post measurements in favor of the experimental group in the skill performance variable under study, is verified .