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Interrelation of Football Players’ (13 to 14 Years Old) Indices of Movement in Various Directions

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Radžiukynas D., Žilinskienė N., Kemerytė-Riaubienė E., Gražulis D.
Central European Journal of Sport Sciences and Medicine
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2015
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vol. 9
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issue 1
37-46
EN
The aim of the work – to establish motor skills peculiarities in young football players (aged 13 to 14 years). Methods of the research: Tests for speed and velocity and Tensodynamometry (Radžiukynas 1997). Average height of football players is 168 cm, their body mass – 55.84 kilos, BMI – 19.58. The vertical body movement speed in two foot take-off of the players is 2.49 m/sec, running results: in 10 m run – 1.88 sec (5.31 m/sec), in 20 m run – 3.31 sec (6.04 m/sec), in 30 m run – 4.68 sec (6.41 m/sec), jumping in hexagon area result – 17.16 sec, angular movement result – 2.35 m/sec. Individual movement skills are expressed by kinematic and kinetic indices of interaction with support, such as: squat time (0.348 sec), take-off duration (0.249 sec), squat speed (1.02 m/sec), squat depth (19.5 cm), reactivity of legs’ muscles (22.1 Hz), jump height (31.4 cm), absolute power of take-off (1555 N), relative capacity (28.5 W). Football players do not experience fatigue performing intense two foot vertical jumps, in average 45 jumps in 30 sec. Correlation analysis of all movement directions kinematic and kinetic indices relation significance highlighted the main indices which most objectively allow evaluation, prognosis, and correction of various directions movement level and abilities of young football players. Alteration of these indices’ significance interrelation shows peculiarities of athletes’ body functional systems’ adaptation to training loads, also serves as an effective methodical direction in improving preparation of young football players.
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