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Movement characteristics of elite tennis players on hard courts with respect to the direction of ground strokes
Martínez-Gallego, Rafael (Avtor), Guzmán, Jose F. (Avtor), James, Nic (Avtor), Perš, Janez (Avtor), Ramón-Llin, Jesus (Avtor), Vučković, Goran (Avtor)

URLURL - Predstavitvena datoteka, za dostop obiščite http://www.jssm.org/inpres/2605/2605pdf.pdf Povezava se odpre v novem oknu

Izvleček
Previous studies of movement characteristics in tennis have considered the effect of playing surface but have assumed that playing strategies are simply determined by the surface as opposed to being under an individual's control. This study considered the selection of cross court or down the line ground strokes as being indicative of playing strategy and measured the outcome of playing these shots in terms of the opponentćs movements. Matches (N = 8) at the 2011 ATP tournament 500 Valencia were recorded and analysed using SAGIT, a computer vision tracking system that allowed both players' movements to be tracked automatically, albeit with operator supervision. The data was split into (N = 188) games for analysis purposes and these lasted a median 174.24 seconds with active time (ball in play) a median proportion of 34.89% (IQR = 10.64%) of total time. During the active time losers of games tended to cover less distance (median = 80.17 m), move quicker (median = 1.38 m s- 1), spend more time in the defensive zones (median = 14.24 s) and less in the offensive zones (median = 44.74 s). These results suggested that game winners tended to dominate game losers, forcing them to exhibit behaviors typically associated with a defensive strategy. Defensive and offensive strategy are not well defined currently and future investigations should consider movements in relation to individual shots, in particular their velocities, at the rally level and by different individuals to better understand successful performance.

Jezik:Angleški jezik
Ključne besede:tenis, strategija, taktika, SAGIT, razlike, zmagovalci, poraženci, tennis, strategy, differences, tactics, SAGIT, winners, losers, motion analysis
Vrsta gradiva:Delo ni kategorizirano (r6)
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FŠ - Fakulteta za šport
Leto izida:2013
Št. strani:str. 275-281
Številčenje:iss. 2
UDK:796.346
ISSN pri članku:1303-2968
COBISS.SI-ID:4355505 Povezava se odpre v novem oknu
Število ogledov:551
Število prenosov:271
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
 
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Gradivo je del revije

Naslov:Journal of Sports Science and Medicine
Skrajšan naslov:JSSM
Založnik:Medical Faculty of Uludag University
ISSN:1303-2968
COBISS.SI-ID:2667185 Povezava se odpre v novem oknu

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