Changes speed indicators by influence of specific fatigue in soccer players

Title Changes speed indicators by influence of specific fatigue in soccer players. Aim of Study Diagnose specific effects of fatigue from the soccer match on the manifestation of speed abilities of football players at AC Sparta Praha categories of players up to 19 years. Method Selected research sample consists of 11 players on the year of birth 1994 (3 players), 1995 (7 players) and 1996 (1 player) U19 category. Tested sample passed measurement in one friendly match against the same old players. They passed the test 4 times before the game, 4 times at the half-time break and 4 times immediately after game. During this testing, I watched the effect of fatigue on specific speed capability of players. At work, I used a quantitative research method. I prepared and statistically evaluated the resulting data obtained during testing using photocells. Results Testing was attended by 11 players from selected professional club team U19 category . Measurement of speed in field test was measured using photocells Brower Timing System. The results provide informations about the speed capabilities of the players and their reduction during the fatigue gradually emerging during a football game. The results reveal that the speed capabilities of most players were reduced. They also briefly deal with the question..