Methodology of teaching spike with a straight arm to volleyball players

The fundamental law of the pass of the ball with both hands in volleyball is that the more elements of the game problems they perceive simultaneously, the better they solve them. The players of the highest qualification (Masters of Sports) also noted that if they take 2 units less from the content OF each presented problem, they solve it better. These patterns suggest that it is important to simulate game situations to improve tactical skills regardless of a player's skill. The purpose of this study was to develop a method of training the spike with a straight arm and develop a pedagogical rating scale of spike performance. When the player hits the ball, the forearm and the wrist are on the ball at an angle of about 75°-80° to the shoulder axis. The player performing the spike in the unsupported position can not simultaneously solve three tasks: 1) see the location of the defenders on the court, 2) select the optimal direction of the spike 3) perform the spike higher than the unit in a spot free from the defender. In order to achieve the tasks we developed a new method of teaching the spike. Straight player's hand before the spike is in a relaxed state perpendicular to the axis of the humerus. To do this, the attacker later hits the volleyball going down from the peak point. So, the player must, first, see the volleyball at its peak point; second, he must lower his head down and see a sign with the number of the player in one of the four zones of the court; third, he must give the number of the sign on the player; fourth, he must quickly raise his arm straight up; fifth, with a sharp movement of the head, shoulders, stomach muscle contraction and the move of the feet he must hit the ball with a straight arm. Thus, due to the subsequent slowing down of the shoulder and the forearm the hand strikes the ball at a speed three times greater than the speed of the falling body and sends it down to the floor. To improve the technology of the spike in a jump in volleyball it is recommended to develop the motor quality in the following sequence: the quality of flexibility, the quality of mobility, the quality of strength and the quality of jumping. It is also recommended to develop senso-motor reactions: reaction to moving objects, space-time mental-motor orientation on the trampoline, proper distribution of changing movements in time, in space and time in supported and unsupported positions of players. Based on the research we can recommend a sequence for teaching spikes to volleyball players. At the first stage, young volleyball players are acquainted with traditional techniques and tactics of spikes in volleyball. At the second stage young volleyball players are taught to perform spikes attack against the mirror in the unsupported position in accordance with the technique and tactics of their implementation. At the third stage young volleyball players practice strikes on the trampoline. At the fourth stage young volleyball players practice the techniques and tactics of spike using the new method, but in the traditional and game conditions.

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