Now it became clear over the level of interest in sports teams after the achievements of teams emerging countries of advanced results in various sports fields as a result of the rapid developments in scientific methods of training , especially in the field of high levels . In order to keep pace with this progress we must be continuous study and research Savior . This is called the researcher and in the field of specialization (basketball ) to focus on the aspect of the important Tsemvy the game progresses , and this aspect is Almehraat core and is considered a skill -up of the basic skills of the game , but the most important is where I draw in its impact -fold skills combined core in importance in the games. This study is an attempt to identify the types of correction ratios used and the percentage of failed and successful ones to show the importance of follow-up and study the link between the game and the results Continue difference index as a skill and knowledge to make stretchers