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Kinematična analiza štarta in štartnega pospeška = Kinematic analysis of the sprint start and block accelerationČoh, Milan ...V študiji smo analizirali in identificirali najpomembnejše kinematične parametre faze štarta in štartnega pospeška, ki vplivajo na rezultat v šprinterskem teku. Biomehanske meritve in kinematično ... analizo smo opravili na najboljšem slovenskem šprinterju v obdobju njegovih neposrednih priprav na svetovno dvoransko atletsko prvenstvo v Moskvi marca 2006. Na tem tekmovanju je atlet izenačil državni rekord v šprintu na 60 m (6,58 s) in zasedel odlično 4. mesto. Kinematične parametre štarta smo ugotovili na osnovi 2-D kinematične analize, ki smo jo opravili s pomočjo High-Speed Camere pri frekvenci 200 F/s. Meritve štartnega pospeška smo izvedli s tehnologijo opto-track in sistemom infrardečih fotocelic. Atlet je izvedel 5 šprintov z nizkim štartom na 20 metrov v konstantnih in nadzorovanih pogojih meritev. Cilji preučevanja so bili štartni položaj z vidika višine centralnega težišča telesa (CG), odzivni čas na zadnji in sprednji štartni blok, štartna hitrost, štartni odrivni kot, hitrost centralnega težišča telesa CG v prvih 3 metrih in kinematični parametri štartnega pospeška v prvih desetih korakih. Študija je pokazala, da so ključni dejavniki uspešnosti teh dveh faz šprinterskega teka: optimalen štartni položaj (meduim štart), hitrost zapuščanja štartnih blokov, nizka vrednost kota odriva iz štartnih blokov, dolžina prvega koraka, majhen vertikalni dvig CG v prvih treh metrih štartnega pospeška, razmerje faz opore in leta v prvih desetih korakih ter optimalno razmerje dolžine in frekvence korakov.Source: Šport : revija za teoretična in praktična vprašanja športa. - ISSN 0353-7455 (Let. 54, št. 3, 2006, str. 38-45)Type of material - article, component part ; adult, seriousPublish date - 2006Language - slovenianCOBISS.SI-ID - 2806961
Author
Čoh, Milan |
Tomažin, Katja |
Dolenec, Aleš |
Štuhec, Stanko |
Čamernik, Jernej
Topics
atletika |
šprint |
kinematična analiza
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source: Šport : revija za teoretična in praktična vprašanja športa. - ISSN 0353-7455 (Let. 54, št. 3, 2006, str. 38-45)
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DRS, in which the journal is indexed
Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Čoh, Milan | 04954 |
Tomažin, Katja | 18082 |
Dolenec, Aleš | 15330 |
Štuhec, Stanko | 18224 |
Čamernik, Jernej | 37551 |
Source: Personal bibliographies
and: SICRIS
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