The study aimed to identify the effect of the change in the training sizes during the period of taper stage on some variables physiological, physical and level digital for50 m free swimmers. The researcher used the experimental method and selected the research sample in intentional manner of 10 male swimmers in Tanta sports club (11-13years old and registered in the Egyptian Federation of swimming for the year 2008/2012 in Olympics class) conducted by eight tests included height, weight, speed recovery, lactic endurance, speed endurance and digital level and data was processed statistically. Results indicated that the program of the taper latest range had positive changes on the physiological variables under consideration and there is no difference in the speed of recovery. The researcher recommended that there must be a period of taper to the high levels of less than two weeks and rationing high-intensity training loads and not used for a long time and performing a series of research similar to this study on samples of different ages and different distances.
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