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2 Central European Journal of Sport Sciences and Medicine

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Fitness and somatic conditioning of a sports level in a woman's volleyball team at the championship level

100%

Rabka A. , Rabka P. , Klocek T. , Spieszny M.

nr 2

There is a significant complexity of movements and an ability to adapt to changing situations during a match, hence, a factor which decides about sports rank of a player is their motor fitness. The assessment of muscle power output and abilities of coordination in high-rank players can be one of the most essential model indicators either in the process of athlete selection or in the process of sports training. The research question is: How the measured indicators of a somatic body construction and motor fitness condition the sports level of volleyball players who specialize in different tactical functions? The paper demonstrates the test results of 12 volleyball players from MKS Muszynianka – a vice-champion of Poland in 2009. Basic features of a somatic body construction were measured; the indicators of muscle dynamic strength, visual perception and visual-motor coordination were tested. The comparative analysis of the applied somatic and fitness indicators in the study explains both the model of choice of tactical specializations in the game and sports hierarchy of volleyball players at championship level. Lengthwise predispositions of a body construction are prominent in the model; however, fitness skills (muscle dynamic strength and visual-motor coordination) may well compensate for insufficient somatic indicators.

EMG parameters and kinesthetic differentiation during the free-throw of basketball players with various levels of athletic experience

100%

Pakosz P.

2013

tom 02

nr 2

Rationale and objective of the study: In the study of coordination of motor abilities, motor performance tests without examining the internal structure of the movement were used. The objective of this study was to examine the kinesthetic differentiation capacity level and to stimulate muscles during a test among basketball players in intermediate and specialist stages of training. Material and methods: Among ten basketball players from two equal groups at different level of advancement in sport, who play at different positions on the field, kinesthetic differentiation capacity was assessed by the „Basketball shooting with different balls” test. In order to assess the muscle involvement during the test, they were connected to the EMG amplifier. Results: More advanced basketball players obtained better results in the test, by an average of 7.4 point out of 60. Tested muscle bioelectric tension was lower by 21.8% in advanced players and the difference in the non-dominant hand was as high as 34.6%. Conclusions: The research indicates that advanced players obtain better level of kinesthetic differentiation and their average muscle bioelectric tension during throws is lower compared to beginner players. The difference in bio-electrical muscle tension in the time of throwing different balls was smaller in basketball players who are more advanced in training, and in both groups in the dominant hand. Mean values of EMG signal in a selected time interval show greater variability among the more advanced players.