تأثير استخدام بعض التمرينات النوعية بالبلايومترك في تطوير القوة الانفجارية للرجلين و دقة الضرب الساحق القطري لدى أشبال الكرة الطائرة "17- 18" سنة : دراسة ميدانية أجريت على بعض أندية القسم الوطني الثاني (جهوي الوسط)‎ فئة أشبال

الملخص EN

The study aimed to identify the impact of the use of some specific exercises plyometric in developing explosive power of the legs andaccuracy of beating overwhelming diagonal with cubs volleyball "17 18" years, where the study was conducted on panels Mouradia and Rouiba Volleyball cubs and activists category in the second national section (regional center), the researcher used the experimental method experimental and control groups system and it suits the nature of the study and its objectives, and was relying on tribal tests and a posteriori this to see how effective the exercises used, was chosen as the research sample deliberate manner which included 22 players, divided into two "pilot officer", the experimental group It includes 11 players from Rouiba Club and the control group includes 11 players from the club Mouradia, as the survey included the (06) players, the researcher has relied on statistical software package (spss21) to analyze the results of the study.

In the final The results of the study on the positive impact of exercises used to develop explosive and accuracy of beating overwhelming diagonal with cubs volleyball "17 18" years old, and in the light of this the researcher to a series of proposals and future hypotheses represented by the need to pay attention to planning based on modern scientific bases for training starting training module to raise the physical and skill capabilities of the athlete, and the need to rely on physical and skill tests to determine the level of athletes and this to build programs accurately, as well stand on the level of development of athletes, in addition to relying on exercises plyometric in the development of the physical abilities of other skills.