Causal relationship in building a model for some of the variables contributing to the performance Albiyukinmetekih strike the back hand in tennis

Abstract

The strike ground back hand in tennis is one of the strikes the task and the wide use along the game so must know what the variables that contribute to the performance of the movement the best representation so is the process of training a manner that improves the level of the player's performance while saving time and effort expended as a result of trial and error that adopt it to tennis players while performing the exercises so dependent duplicates multiple During the process of skills training to adjust and improve performance, but this is not enough, but must undergo the process of training to perfect harmony between the training process and adjust variables Albiyumkanikih mission to improve the level of achievement and this can only be achieved through the cooperation of all of science Albiyumikanek and science sports training in order to be control of the movement as a whole used The importance of research in providing a means of scientific make training curriculum more effective so as to reliance on accurate values indicate the priorities of the variables that must be included in the curriculum to be used and its priorities, one of which on the other by revealing relationships phenomenon and hidden, which does not stay with him a doubt for the omission of what would be a link in the training process and thus build a scientific base is utilized by researchers in the study of phenomena that reliable performance skills in order to develop training plans are correct and studied to improve the rate of various sporting events. The research problem : the research problem of lack of knowledge of the most important variables that must be dealt with during the training process, and that these variables affect other variables to exit the outcome of advanced performance for this type of strikes this side, and the other hand, the nature of the statistical work, the user provides a mechanism primacy of these variables each making it easier for some training work to save time and effort expended. The research aims to 1-to identify the relationships of direct and indirect variables Albiyumkanikih skillfully strike the rear floor in tennis2-build a model of a causal relationship the most important variables Albiyukinmetekih skillfully strike the rear floor in tennis The obligatory Search: 1-the presence of significant mutual relations directly and indirectly between the other independent variables, intermediate and skill of the strike the rear floor. The researchers used the descriptive manner causal relationships. The community famous tennis aged (17-18 years) who represent clubs southern region and Central's (60) as a player, was chosen as the research sample way intentional players who practice effectively within the scope of the players applicants for the regions and clubs mentioned amounted research sample (28) players. Find variables were identified through a group of experts was conducted imaging analysis of the sample and the use of variables by kinetic analysis program (kinovea) and the concluded , the recommendations