THE IMPACT OF MOTOR EXPECTANCE EXERCISES IN DEVELOPING THE SPEED OF MOTOR RESPONSE AND THE ACCURACY OF THE PERFORMANCE OF COURT DEFENSE SKILL IN VOLLEYBALL FOR JUNIORS

Nowadays the world continuously witnesses a great development that can not to be included by the learning systems and method which might need the existence of strategies that enable mastering the skills of sports games. The importance of this study is to draw the attention of the people who are responsible for training planning, to the significance motor expectance and to know its impact on developing the speed of motor response and the accuracy of the performance of court defense skill in volleyball for the juniors in a scientific attempt to link the academic study of the motor expectance domain with the specialized applied domain. The researcher used the experimental method of two equal group's design, which are the controlling and the experimental groups. The sample included (20) players representing the training center of the branch federation of volleyball aging from (15 to 17) years old for the year 2014. Through the statistical treatments the researcher concluded the following: 1- The exercises of motor expectance have great impact on the speed of motor response and on the court defense in volleyball for juniors of the experimental group. 2- The exercises of motor expectance have great impact on the acceptance and stimulus of the players in the training sessions. 3- The priority of the experimental group, in developing the accuracy of the current searched skills in volleyball, over the controlling group. 4- The accuracy of court defense was not in a good level because of not varying the l exercises