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Analiza biofizikalnih spremenljivk starta pri sprinterjih različne kvaliteteČoh, MilanNamen študije je bil ugotoviti razlike med elitnimi in sub-elitnimi sprinterji v nekaterih kinematičnih in dinamičnih parametrih starta, ki predstavlja prvi derivat sprinterske hitrosti. Predmet ... analize je bil startni reakcijski čas, predmotorični in motorični reakcijski čas, startna hitrost, produkcija sile v horizontalni in vertikalni smeri na sprednji in zadnji startni blok, čas, potreben za generiranje maksimalne sile na sprednji in zadnji startni blok in startna akceleracija v prvih dveh korakih. V eksperimentalni postopek je bilo vključenih 12 sprinterjev, ki so bili razdeljeni v dve skupini glede na kriterij časa v sprintu na 60 in 100 metrov. Vsak je izvedel pet startov v konstantnih laboratorijskih pogojih. Za 3-D kinematično analizo smo uporabili sistem 9 kamer Smart-e 600. Dinamične parametre smo ugotovili s pomočjo dveh separatnih pritiskovnih platform, na katere so bili instalirani startni bloki. Sprinterji se statistično značilno razlikujejo v osmih kinematičnih in petih dinamičnih parametrih starta. Ključni generatorji razlik med elitnimi in sub-elitnimi sprinterji so: hitrost reakcije - latentni reakcijski čas, startna hitrost, horizontalni in vertikalni vektor maksimalne sile na sprednji startni blok in čas, potreben za razvoj maksimalne sile na sprednji startni blok.Source: Šport : revija za teoretična in praktična vprašanja športa. - ISSN 0353-7455 (Letn. 62, št. 3/4, 2014, str. 114-117)Type of material - article, component part ; adult, seriousPublish date - 2014Language - slovenianCOBISS.SI-ID - 4607409
Author
Čoh, Milan
Topics
šport |
start |
sprint |
biodinamika |
kinematika |
dinamika |
dinamika |
sport |
start |
sprint |
technique |
biodynamics |
kinematics |
dynamics |
dynamics
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source: Šport : revija za teoretična in praktična vprašanja športa. - ISSN 0353-7455 (Letn. 62, št. 3/4, 2014, str. 114-117)
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Čoh, Milan | 04954 |
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