A brief summary of the research

International Sports Science Journal

A brief summary of the research

The research aims to identify the values of the variables (jumping Mat, accuracy Index) crushing beat in the research sample, and the relationship of the values of the variables of the jumping mat with the accuracy index of the research sample, and the contribution of the values of the variables of the jumping mat with the accuracy index of the crushing beat of the as for the means of data collection, the researchers relied on the jumping mat to identify (Ability, force thrust, contact time, jump height, flight time), and two video cameras to measure the performance time of the accuracy of each attempt, and a camera to measure the degrees of accuracy without prejudice to the original test, and to find statistical processors were used statistical bag for Social Sciences (SPSS) to process the data, and the researchers reached the most important conclusions:
I. The indicators of the jumping mat investigated when performing straight crushing batting with volleyball the research sample has a high correlation with the accuracy index.
Second-the variables of the jumping mat in high proportions contributed to the accuracy index when performing the crushing hit straight in the research sample.
The researchers recommend, certainly to develop the explosive ability of the two men to reach the player at the highest height to help the player by directing the ball during the performance of the crushing strike straight, and develop the motor speed of the striking arm in the players when performing crushing strike straight volleyball in the research sample.
Keywords: contribution ratio – jumping mat – accuracy-volleyball .

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