Kinematics of running on different types of football playinground surfaces

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Bibliographic Details
Title translated into German:Die Kinematik des Laufens auf verschiedenen Spielfeldoberflächen beim Fußball
Author:Zahálka, František
Published in:Acta Universitatis Carolinae / Kinanthropologica
Published:43 (2007), 2, S. 47-54, Lit.
Format: Publications (Database SPOLIT)
Publication Type: Journal article
Media type: Print resource
ISSN:1212-1428, 0323-0511, 2336-6052
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Identification number:PU200807001922


Running is one of the most important movement activities for football players and running technique depends on the type of the running surface. There are new types of artificial surfaces for football. The hard type of surface presents grass of the first generation which consists of the carpet with thin film of siliceous sand. The grass of the third generation consists of the artificial grains and several cm of crush rubber and presents the soft type of surface. The aim of this study was to determine the difference of running technique on two types of artificial surfaces, soft and hard type of artificial grass. 15 young elite football players were included into this experiment. The individual AT 170 +/- 5(SD) pulses per minute was set in the laboratory for every player before the experiment. For description of the differences in technique it is possible to use 3D kinematics analysis. By use of average values these results were obtained. The total period of one running double step which consists of flying and contact phase is longer on soft surface by 15%. The contact phase as a period of the foot being on the ground extends by up to 35% and the flying phase is shorter by one quarter in comparison with the movement on hard surface. The run soft surface differentiates most significantly by the period of the running double step (by 6%), by greater vertical variations of Centre of Gravity (C.G.) of the body (by 30%), by higher frequency of steps (by 13%) and by lower average speed of C.G. of the body (by 23%). Increased angle of the take-off results in a shortened step and higher frequency, which finally results in bigger energy. Verf.-Referat