Contribution of some kinematic variables to the Spike performance Higher for players (4) and (2) in volleyball
DOI:
https://doi.org/10.25130/sc.23.2.17Abstract
The study aimed to identify the percentage of the contribution of some kinematic variables to the accuracy and speed of high straight smashing for center players (4) and (2). The researchers relied on the descriptive approach in the style of correlational relations to suit the nature of the research problem, and the research community was determined by choosing the first-class clubs in Salah al-Din Governorate for the season (2021-2022) AD, which are (Al-Sharqat, Baiji, Dhuluiya, Aksu, Bastamli) and their number is (60) players. And they concluded that the kinematic variables of the three stages contributed to the performance of the high and straight smashing of the center 4 players and the sequence of the contribution strength according to the order stage 1, then stage 2 and finally stage 3, which shows the importance of stage 1 in the performance, and summarized the variables that have an impact on the performance of center 4 players stage 1 (step length, total time of reference), Stage 2 (the angle of rise, the angle of launch of the body), stage 3 (the height of the ball at the moment of hitting it), and the kinetic path of the center 4 players is greater than that of the center 2 players, where we find this in the length of the step and the height of the ball at the moment of hitting it in addition to the time of the total performance. The researchers recommended paying attention to the reality of the governorate clubs through studies and research to uncover the negatives that hinder the development of the reality of the game and the level of players and try to rise to the ranks of elite clubs.
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