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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 was 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),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.

Tyrimo objektas: Vidinių asmenybės veiksnių įtaka staigiajai kojų jėgai. Darbo tikslas – nustatyti vidinių asmenybės veiksnių ir staigiosios kojų jėgos ryšį. Uždaviniai: 1. Nustatyti studentų asmenybės socialinių nuostatų ir emocinių būsenų raišką tarp lyčių; 2. Nustatyti studentų asmenybės savybių raišką tarp lyčių; 3. Nustatyti studentų nerimo raišką tarp lyčių; 4. Nustatyti ryšį tarp studentų asmenybės socialinių nuostatų bei emocinių būsenų, asmenybės savybių, nerimo raiškų ir staigiosios kojų jėgos. Darbo hipotezė - yra ryšys tarp vidinių asmenybės veiksnių ir staigiosios kojų jėgos. Tyrime dalyvavo 269 pirmo – antro kurso studentai (138 merginos ir 131 vaikinas). Tiriant studentus buvo atliekamas vertikalaus šuolio testas bei taikyta anketinė apklausa. Išvados: 1. Nustatyta, kad asmenybės socialinės nuostatos ir emocinės būsenos, tokios kaip lyties konfliktas (p = 0,017) ir jausmas „Be namų“ (p = 0,002), tarp lyčių skiriasi. Studentams valios laisvės stokos ir priešiškumo raiška yra vidutiniška, o likusių asmenybės socialinių nuostatų ir emocinių būsenų raiška yra silpna, tačiau vaikinams jos išreikštos stipriau nei merginoms. 2. Nustatyta, kad asmenybės savybių raiška tarp lyčių nesiskiria (p > 0,05). Dauguma merginų ir vaikinų yra intravertai-ekstravertai. Tiek merginoms, tiek vaikinams nerimastingumo raiška yra vidutinė. 3. Nustatyta, kad nerimo raiška tarp lyčių skiriasi. Daugumai studentų, vertinant nerimo raišką darbo/mokymosi (p = 0,000), tarpasmeninių/bendravimo (p = 0,000) veiksnių kontekste, situacija yra nemaloni, o savivokos/savivertės (p = 0,000) kontekste – situacija beveik nejaudina. Vaikinų nerimo raiška yra stipresnė. 4. Nustatyta, kad labai silpni ir silpni ryšiai yra tarp staigiosios kojų jėgos ir kai kurių vidinių asmenybės veiksnių. Kuo didesnis šuolio aukštis, tuo silpniau išreikštos lyties konflikto (r = 0,124, p < 0,05), egzistencijos beprasmybės(r = 0,131, p < 0,05), idealaus ir realaus „Aš“ nedarnos (r = 0,130, p < 0,05) raiškos, o nerimo raiškos darbo/mokymosi (r = 0,223, p < 0,001), tarpasmeninių/bendravimo (r = 0,318, p < 0,001), savivokos/savivertės (r = 0,257, p < 0,001) veiksnių kontekste stipresnės., The object of the paper being the impact of the personality traits on the muscle strength, we have set the aim of the work, which is to identify the coherence of internal factor influence and the explosive leg power. Therefore, in order to meet the aim of the paper, we have set the following objectives: assessing students' personal characteristics between genders, social attitudes of the personality and emotional states between genders, anxiety between genders and to reveal the expression between social attitudes of students personality, personal qualities, expressions of anxiety and the explosive leg power. The hypothesis of the thesis – there is the coherence between internal personal qualities and the explosive leg power. The research included 269 first and second year students (138 girls and 131 boys) studying in Lithuanian Academy of Physical Education. These students have been selected using convenient selection method. The examination was carried out by students' vertical jump test and a questionnaire survey. Conclusion: 1. We have determined that the sense of „being homeless“ (p = 0,002) and gender conflict (p = 0,017) between the two sexes are different. These properties are more common among the boys. 2. We have found the same results among different sexes (p > 0,05) while analyzing personality's social attitudes and emotional states (extroversion-introversion, anxiety, sincerity (reliability)). 3. We found that the SCSA results between the three sexes are different. The boys have higher factor results (p = 0,000). 4. It is found that there is weak and very weak coherence between the explosive leg power and some internal factors of personality. The bigger height of jump, the weaker is expressed the conflict of gender(r = 0,124, p < 0,05), the absurdity of existence (r = 0,131, p