القوة اللحظية للرجل الدافعة و علاقتها ببعض المتغيرات البايوكينماتيكية و إنجاز المستوى الرقمي للاعبي القفز العالي

الملخص EN

The aim of the research is to identify the momentary strength of the pressing Leg of the advancement and achievement of the members of the research sample, and on some biochemical variables and achievement, as well as to identify the momentary strength of the man of rise and some of the biochemical variables and its relationship to achievement, and the researcher used the descriptive approach in the manner of correlations, as the research sample was represented by the players of the National Center for Athletics With the effectiveness of the high jump, the youth category, all field procedures and means of gathering information, devices and tools used were collected, through which the necessary data were collected and then the appropriate statistics are compiled and classified under suspicion.

Tables, analysis and discussion, and the researcher concluded that the highest development of biochemical variables according to order (advancement angle, height of center of body mass, maximum angle of flexion of the knee, body inclination angle, advancement time), and that a significant correlation between all variables with achievement and through biomechanical science The driving force is the most influential in the achievement, and the players enjoy good physical and physical specifications and through training they can achieve Arabic numbers that serve the achievement of the effectiveness, and recommended to pay attention to the correct biomechanical and analytical foundations and how to deal with them from the stakeholders to serve the achievement and develop a For the knowledge side of the local coaches, and the necessity of introducing the coaches working for the Central Athletics Federation in the analysis of the importance of this science in developing sport performance and achievement, and the introduction of trainers with special courses in this field to acquire and teach them modern technologies, while building modern training methods to keep pace with development with neighboring countries and for the same age groups.