Melnyk A. Improvement of the competitive activity of the qualified volleyball players on the basis of computer system of assessment of efficiency of performance of serves

The object of the research: the competitive activity of the qualified volleyball players. The purpose of the research: to improve the competitive activity of the qualified volleyball players with use of the developed computer system of assessment of indicators of efficiency and quality of performance of serves. Research methods: analysis and generalization of scientifically-methodical literature, search and use of information in the network Internet, pedagogical observation, pedagogical experiment, video filming method, program computer providing methods of mathematical statistics. Scientific novelty: for the first time: indicator of quality of serves, which is expressed in the terms of the entered so-called a-factors is defined; the technique of assessment of quantitative indicators of efficiency and quality of the power serve in jump and the aimed serve is improved; the database "ServeStat" is developed on the basis of modern computer technologies; the assessment technique of coefficient of tension of the game is offered; flight trajectories of the ball after performance of the serve are calculated and their characteristic; the technique of determination of accuracy of the serve is offered and checked experimentally. The main results of the research are introduced: in the training process of the qualified volleyball players of CVC "Locomotyv", in the competitive activity of CVC "Locomotyv", MI VC "Dnipro", VC "Vinnytsia" and VSC "Yurydychna academiya", in the program of carrying out practical training in KhSAPC and in the training process of players of beach volleyball of Kharkiv regional organization of volleyball club "Kenguru". Field - education.