Brzinsko-eksplozivna svojstva vrhunskih košarkaša
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Abstract: The research was conducted in purpose to determine changes in level of speed, agility and explosive leg power at top basketball players after 12-week experimental program. The study included 15 players from "Konstantin" Basketball Club from Nis contestants of the Basketball League of Serbia. The youngest basketball player is 18 and the oldest 26 years. All players have a professional contract with the club they are performing for. The average basketball internship is 12.7 years. The experiment included four sets of variables for the assessment of anthropometric characteristics taken as control measures (height and body mass), speed (10x5m shuttle test, sprint fatigue test and sprint speed at 15m), agility (agility T test, hexagon agility test, Illinois agility test and lane agility drill) and explosive leg power (squat jump, countermovement jump, drop jump and standing long jump). Experimental program lasted 12 weeks from January to March 2015, and in this period w...as held 36 training sessions, three sessions per week, for development of speed, agility and explosive leg power. The duration of each training session was 90 minutes. In addition to training within the experimental program, the players also had regular training within a contest cycle. The structure of the training program consisted of seven training units, implemented according to the established order: dynamic flexibility, sprint exercises, agility, accumulation of potential, explosive strength, expression of potential and extension, stretching, relaxation and massage. Statistical analysis was performed using statistical package SPSS and Statistics. In addition to the basic descriptive parameters and discrimination measurements was used and the Multivariate Analysis of Variance (MANOVA) and the Analysis of Variance (ANOVA). The Analyses of Variance were showed changes in the final measurement compared to the initial. The results showed statistically significant changes in all three areas of the speediness- explosive performances (speed, agility and explosive leg power) at both levels on multivariate (speed - p> 0.01; agility - p <0.05; explosive leg strength - p> 0.05),and on univariate level. It can be concluded that the experimental program significantly influenced the changes of these abilities. The significance of this research lies in the fact that it presented a program for the development of speediness-explosive performances of top players, based on real indicators of success during the contest season, which resulted in higher situational efficiency. This fact indicates that it can be assumed that thus conceived program will provide statistically significant results regarding effects of the experimental program on changes of the tested abilities in relation to the volume, quality and continuity of training. The results showed that properly dosed training can affect development of tested abilities, and previous studies have already shown that with mentioned development comes the result.