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Human Movement
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2011
|
vol. 12
|
issue 2
139-146
EN
Purpose. The purpose of this research was to determine the relationship between a tennis players' technical abilities and their capacity evaluated in both a laboratory and on the tennis court. Basic procedures. Twelve tennis players participated in the study. The anaerobic capacity test (Wingate) and the progressive test were performed on a Monark E 895 cycloergometer. The aerobic and anaerobic capacities were evaluated in the laboratory. The Weber capacity test was performed on a tennis court. Main findings. The research did not reveal any significant correlation between the Wingate's mechanical parameters and the physiological parameters of the Weber test. A correlation of the maximal oxygen uptake with stroke precision on a tennis court can be observed. The research found that the maximal power output (Pmax) and total work (Wtot) found in the laboratory is related to the stroke precision on a tennis court. Conclusions. The results may suggest that both tests can be applied in the assessment of capacity and the effects of training. From the results of the laboratory and on-court tests, it is possible to specify a player's semi-specific endurance.
EN
Introduction: This study's purpose was to measure and compare isokinetic muscle function and anaerobic exercise capacity of knee joints according to the three Kukki Taekwondo competition types. Methods: A total of 21 elite Korean male poomsae (forms), gyorugi (sparring), and demonstration athletes majoring in Taekwondo were selected as the subjects of the study. Subjects' physical fitness levels were measured using standardized strength, endurance, agility, balance, and flexibility tests. In particular, the isokinetic muscle function measurement system was used to measure the muscle function of subjects' knee joints, and the Wingate test was used to measure their anaerobic exercise ability. Results: Gyorugi athletes showed better results than their poomsae and demonstration counterparts in nearly all metrics, including body composition, physical fitness factors, isokinetic muscle function (60°/sec), muscle power (180°/sec), and anaerobic exercise capacity. Gyorugi athletes were also taller and showed higher muscle mass, strength, muscular endurance, and agility. However, poomsae athletes showed a higher level of flexibility. The results found isokinetic muscle function and anaerobic exercise capacity of the knee joint to be most important for gyorugi athletes and then for demonstration and poomsae athletes, in that order. Conclusions: This study provides useful information needed to identify the physical fitness factors of the different Kukki Taekwondo athletes, and, in turn, it is may serve as important fundamental data for developing future systematic Taekwondo training programs.
EN
The selection into the National Hockey League (NHL) is based on criteria reflecting job analysis of a professional ice hockey player and the requirements of the game. Only few Czech elite ice hockey players succeed to participate in NHL and their number is decreasing in the last decade. Aim of Study: The aim of the study was to find out and evaluate the level of anaerobic readiness of Czech hockey forwards and defenders playing in the NHL and to compare their anaerobic performance with that in elite national hockey players from the Czech extra-league. Material and Methods: Results of 30s Wingate anaerobic test obtained in 26 forwards and 16 defenders, Czech hockey players from the NHL (from 2001/2002 to 2015/2016 seasons) were compared with the reference values of elite Czech ice hockey players. The comparison was based on the mean values, rate of dispersion, and effect sizes were calculated using Cohen's d coefficient. Results: In forwards, both absolute and relative values of peak power (PP) and anaerobic capacity (AnC) found in Czech players in NHL were higher (d>1) than in elite Czech national players. In defenders, only the value of AnC relative to body mass showed small effect (d=0.36), but absolute and relative values of PP and absolute value of AnC were higher (d>1) than in elite Czech national players. Conclusion: The results of the study indicate that anaerobic readiness evaluated by 30s Wingate test may be, besides dominant on-ice skills, one of the criteria for entry to the top ice hockey competition.
EN
Introduction. In athletic high-speed-forced competitions one of basic monitored parameters of the preparation is the level of the anaerobic capacity. The aim of the work was the qualification of the usefulness of the RAST (Running-based Anaerobic Sprint Test) in the estimation of the anaerobic capacity of athletes of sprint athletic competitions. Material and methods. 37 athletes (12 Female and 25 Male) specializing in sprint racing (100 m, 100 m hurdles, 110 m hurdles, 200 m) and the prolonged sprint (400 m and 400 m hurdles) partook in the research. The anaerobic capacity was evaluated by means of the RAST test and the Wingate test. Results. In the RAST test competitors obtained significantly higher values of the maximum power (p<0.001) and the average power (p<0.001), with relation to the Wingate test. Among women such dependences were not ascertained. The fundamentally lower (p<0.001) fatigue index in the RAST test characterized in turn both groups, which can testify about the better adaptation to the run effort. For both tests one ascertained significant dependence between the average power and the maximum power. Moreover, the significant dependence between the fatigue index (FI) and the average and maximum power in the Wingate test was shown. For the RAST test such dependence appeared among FI, and the maximum power. Conclusions. The RAST test gave statistically comparable results only in the case of the average and maximum power among women. The smaller physical load for competitors and decidedly easier organization of the research causes that the RAST test can be used for regular monitoring of the anaerobic capacity level of competitors of athletic run competitions.
EN
Wstęp: Parakajakarstwo jest dyscypliną paraolimpijską, w której zawodnicy rywalizują na dystansie 200m w trzech klasach funkcjonalnych. Celem pracy było porównanie parametrów wydolności beztlenowej zawodników różnych klas. Materiał i metody: W badaniach wzięło udział 14 zawodników rywalizujących w klasach A i LTA. W celu określenia wybranych parametrów wydolności beztlenowej (mocy maksymalnej, mocy maksymalnej względnej, wskaźnika zmęczenia, czasu osiągnięcia mocy maksymalnej) przeprowadzono 30s test Wingate na ergometrze ręcznym. Wyniki: W przeprowadzonych badaniach wykazano, że istnieją różnice w wydolności beztlenowej pomiędzy zawodnikami różnych klas w parakajakarstwie. Wnioski: Istnieje zależność pomiędzy wybranymi parametrami wydolności anaerobowej i klasyfikacją funkcjonalną.
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