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1

The effect of a 6-week plyometric training on explosive power in volleyball players

100%
Jastrzebski Z., Wnorowski K., Mikolajewski R., Jaskulska E., Radziminski L.
Baltic Journal of Health and Physical Activity. The Journal of Gdansk University of Physical Education and Sport
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2014
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tom 06
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nr 2
Background: The purpose of the present study was to determine the effects of a six-week plyometric high and low-intensity training on the explosive power of lower limbs in volleyball players. Material/Methods: The research was conducted on a sample of 30 volunteers of the Sports Club at Gdansk University of Technology in Gdansk. Before the experiment, the players were divided into two homogeneous groups. After two weeks of an introductory common stage, each group followed a plyometric regime of different intensity. The results showed that the high-intensity program was more efficient than the low-intensity program in developing the explosive power in the volleyball players. Results: The largest significant improvement was observed for the vertical jump with arm swing (11% in HIJG and 3.8% in LISG). The strongest correlations were registered for the maximal power and the total mechanical work obtained in the Wingate test (r=0.83), and the power of jumps during attacks and blocks (r=0.78). Conclusions: The experiment confirmed high effectiveness of the training loads applied in the experiment, in particular in the high-intensity program.
2

Relationship between mental skills and anxiety interpretation in female volleyball players

100%
Varzaneh A. G., Saemi E., Shafinia P., Zarghami M., Ghamari A.
Studies in Physical Culture and Tourism
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2011
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tom 18
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nr 1
3
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Assessment of nutrition, supplementation and body composition parameters on the example of professional volleyball players

84%
Zapolska J., Witczak K., Manczuk A., Ostrowska L.
Roczniki Państwowego Zakładu Higieny
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2014
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tom 65
|
nr 3
Background. Volleyball is a team game belonging to a group of sports disciplines that involve indirect fighting. Adequate energy coverage in athletes is a crucial issue. It depends primarily on the type, intensity and duration of physical activity related to the sports discipline practiced and to the training cycle duration. The average energy requirement in sportsmen is 50% higher than that of adults. Objective. The aim of the study was to characterize the mode of nutrition, including dietary supplements and to assess somatic indices in female volleyball players of the AZS Bialystok team. Material and methods. The study involved 17 women. Research tools included a questionnaire consisting of 24-hour recall, a questionnaire survey concerning supplement intake and body composition analysis performed using a bioimpedance analyzer InBody 220. Results. Data analysis indicates that the anthropometric characteristics and body composition of the AZS Bialystok players meet the recommendations associated with the somatic features in volleyball. Daily diet of the volleyball players were of low-energy with regard to the recommendations for physically active people, with very low supply of carbohydrates and dietary fiber, excessive proportion of saturated fatty acids and dietary cholesterol, and too low content of monounsaturated and polyunsaturated fatty acids. Supply of vitamins and minerals was found to be alarmingly low, especially of iron and calcium; diet supplementation was insufficient. No significant abnormalities were noted in body composition of the study athletes. However, they are recommended to increase muscle mass and slightly reduce body fat. Conclusions. Results of diet evaluation show the need for education in the field of nutrition and the necessity of further research into dietary habits among sportsmen.
4
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Anthropometric characteristics of volleyball players with respect to playing positions: In Ethiopian female premier league

84%
Bekele B. A., Adane A. K., Kabiso T. A.
Central European Journal of Sport Sciences and Medicine
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2022
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tom 39
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nr 03
5

Body fat distribution in a sample of young female volleyball players

67%
Krzykala M., Czerniak U., Demuth A.
Studies in Physical Culture and Tourism
|
2011
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tom 18
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nr 2
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