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Relationships between motor abilities and volleyball performance skills in 15-year-old talent-identified volleyball players

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Mroczek D., Superlak E., Kawczynski A., Chmura J.
Baltic Journal of Health and Physical Activity. The Journal of Gdansk University of Physical Education and Sport
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2017
|
tom 09
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nr 1
The aim of this study is to determine synergistic motor outcomes understood as sets of mutually dependent players’ motor abilities affecting the efficacy of performance skills of young volleyball players. The study was carried out during a national volleyball tournament for 150 boys aged 14-15 years. The matches were recorded with two cameras placed 10 m behind the end line, 1.6 m above the floor. The following parameters were assessed: attack efficacy, block efficacy, serve efficacy. The first dependent variables were players' actions that most significantly affected the set outcome, i.e. serves, blocks and attacks. The greatest differences were found among players' serve results, where – with the exception of ineffective serves – the index of variability ranged from v = 67.14 (counter-effective serve) to v = 80.23 (effective serve). The study showed that serving and attacking effectiveness is directly determined by standing jumping ability, while blocking efficacy is affected by the height of the running vertical jump.
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Viscoelastic properties of lower extremity muscles after elite track cycling sprint events: a case report

100%
Klich S., Krymski I., Kawczynski A.
Central European Journal of Sport Sciences and Medicine
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2020
|
tom 29
|
nr 1
3

Endurance capacity and selected technical-tactical skills of soccer players participating in the group stage of the 2014 FIFA World Cup

76%
Chmura P., Golinski D., Andrzejewski M., Mroczek D., Kawczynski A., Rokita A., Chmura J.
Trends in Sport Sciences
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2014
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tom 21
|
nr 3
The study examines the endurance capacity and selected technical-tactical skills of soccer players participating in the 2014 World Cup in Brazil. The results indicate the significant impact of players’ motor preparation level on the execution of technical-tactical actions in top-class soccer tournaments. The covered distance by players during a match is one of the most important indices used for assessment of players’ endurance capacity. The analysis revealed that the Spain and Italy national teams which attained very high passing efficiency and total number of passes failed to advance to the knockout stage of the tournament. The analysis of the structure of match performance, especially by elite teams, is necessary for rational programming of endurance training in professional soccer. The knowledge of endurance loads at top-level soccer tournament permits the optimalization of modern soccer training.
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