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EN
Purpose. The aim of this study was to analyze and evaluate beach volleyball defensive strategies in terms of how often various tactics were employed, their effectiveness, reliability, and overall efficiency based on a sample of elite female volleyball players. Methods. A sample of 746 defensive actions performed by various teams that competed in the 2008 Summer Olympic Games (Beijing, China), the 2009 World Championships (Stavanger, Norway), and the 2009 and 2010 Swatch FIVB Beach Volleyball World Tour (Stare Jabłonki, Poland; Seoul, South Korea) were analyzed in terms of what defensive systems were employed and their outcomes. Results. Fourteen different defensive systems were used by the teams during defensive play. Out of the fourteen systems, four accounted for almost 75% of all defensive action. The most commonly used defense strategies were selected for more detailed analysis in terms of their activity, effectiveness, and reliability. Conclusions. One defensive system in particular was found to be the most prominent in terms of being the most commonly used as well as efficient among all of the observed systems; high-level teams should place additional focus on mastering this system. Nevertheless, effective team strategy should also include less commonly used systems as a way to take an opponent by surprise by the use of non-standard strategy.
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Assumption of Risk and Consent Doctrine in Sport

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EN
Everybody who illegally harms another not only must recover the injured person, but also, may be committed a crime and be punished. According to this doctrine, every time that a participant in a sport activity touches a fellow player, or consciously runs the risk that an opponent may be touched during the game, an offence is committed and he or she is liable. This is clearly an unacceptable situation. If this were the usual way a participant in violence was dealt with by the courts, nobody would play sport, as the risk of conviction would be too great. Sport would be unable to continue in the form that we presently know it. On the other hand, sports often have inherent risks that cannot be eliminated without destroying the very essence of the activity. Consent and assumption of risk defenses in sport accident cases significantly affect resolving the conflict between performing sport as a useful and beneficial activity versus a dangerous practice, and prevent liability from being imposed for just participation in sport activity. Thus, discussion about these defenses can help athletes be more aware of their rights.
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