The comparison between the speed of the serve and the chosen biomechanical parameters of the serve in the training and match conditions in the woman volleyball
Journal Title: Antropomotoryka. Journal of Kinesiology and Exercise Sciences - Year 2009, Vol 19, Issue 45
Abstract
[b]Introduction[/b]. In the last years of women’s volleyball, the spike serve has become more common. The efficiency of the serve in volleyball depends on its precise mastering. We were particularly interested in the difference in the velocity of the spike serve during training and competition conditions as acquired skills are necessary to be presented mainly in competition conditions.[b]The aim of the studies[/b]. To compare speed of the ball after jump top spin serve in elite women volleyball players and describe some biomechanical differences between training and competition conditions during this skill.[b]Material and methods[/b]. The research set included players of the Slovak national women volleyball team (n = 11) participating in the European Champions in 2007. The ball velocity after the hit was monitored by means of the STALKER radar system. To make a more detailed analysis, the player with the fastest serve was selected whose 5 best attempts both in training and in competition conditions were analyzed by means of the 2D kinematics analysis.[b]Results[/b]. The average velocity of maximum values in the spike serve in training conditions in women players (n = 11) represented 21,29 ± 1,86 m · s–1. In competition conditions, however, this type of serve was chosen only by 5 players. The average velocity of the best attempts of individual players during the match, however, was 23,49 ± 1,03 m · s–1. In training conditions, these players reached spike serve velocities of 22,61 ± 1.16 m · s–1. This difference was not significant (p > 0,05). In a more detailed biomechanical analysis of selected parameters, more prominent differences were discovered, which are related to “checked” requirements[b]Conclusion[/b]. This study has found that observation and control of condition in the jump topspin serve in women elite volleyball players is important for the sport praxes.
Authors and Affiliations
Tomáš Malý, František Zahálka, Pavel Hrásky, Miroslav Čada, Josef Dovalil, Lucia Malá
Keywords
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