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2 Baltic Journal of Health and Physical Activity. The Journal of Gdansk University of Physical Education and Sport

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Changes in special fitness efficiency of ten-year-old tennis players in the annual training cycle

100%

Waldzinski T. , Waldzinska E.

nr 1

Background: The course of match actions is definitely gaining pace and dynamics because offensive and aggressive styles of the game are preferred. So there is no doubt that an appropriate level of competitors’ physical preparation has a fundamental meaning. The goal of the research was to determine changes in special fitness efficiency. Material/Methods: The research was based on a group of 16 tennis players aged 10 training tennis in the annual training cycle. In order to evaluate the level of special fitness efficiency, two tests reflecting physical fitness were used: “The game against the wall” and “The test of 100 balls”. Results: Results of the examination showed a significant difference in the fitness level, and the analysis points out an influence of sports training on changes in special fitness efficiency. Conclusions: Significant differences in the level of special fitness efficiency in the study group of tennis players can be a result of an individual rate of assimilation of motor skills and the development of the motor skills level. A balanced and dynamic growth of the pace of development in special fitness efficiency of young tennis players can testify to the proper achievement of the program content that is favorable to the proper mastery of technical skills in tennis. In the tests of “The game against the wall” and “The test of 100 balls” the significance of differences between average results of the first and fourth term of the test was found, which means that sport training influences special fitness efficiency.

Defining changes of physical efficiency in a group of female tennis players aged 9-10 in a one-year course of training

80%

Waldzinski T. , Waldzinska E. , Durzynska A. , Skonieczny P.

nr 3

Background: ‪The aim of the study was to define a change of physical effectiveness in a one-year training course and its relation with special effectiveness. Material and methods: ‪The research was conducted in a group of 30 female players at the age of 9 and 10 years who were training in clubs in the Podlaskie Voivodeship. The subjects were divided into two groups according to the age category. The level of motor abilities and special effectiveness was assessed twice during the one-year training course in March and November, 2013. Results: ‪In all trials we observed a statistically significant difference of mean results between the first and the second term of research in the group of girls aged 9 and 10. The correlation analysis of the results of attempts of motor abilities and the results of special efficiency assessed on the basis of the 100 ball Test showed that the statistically significant correlations exist. Conclusions: ‪The statistically significant correlations between results of the 20-meter run, the simple reaction test and the results of the test assessing special fitness efficiency – the 100 ball Test – suggest that speed has an important impact on special fitness in tennis.