الفهرس 
المبادىء الرئيسية للحركة داخل الماءيوجد فقط 14 صفحة متاحة للعرض العام
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المستخلص
The research objective is to identify the effect of using different methods of specific flexibility out and in the water on levels of physical performance and record achievement for juniors of swimmer. The researcher used the experimental method in terms of using three experimental groups as the most suitable method for nature of the research using pre and post measurement on a deliberately selected sample of forty junior swimmers (below 12 and 13 years old) from Zohour Club in Cairo. Major results of the research are : the program implemented on the third experimental group (using mixture of flexibility exercises both in and out the water) resulted in statistically significant improvement of the physical components under research compared to the first group ( using flexibility exercises in water) and the second group (using flexibility exercises out of the water). The program implemented on the third experimental group (using mixture of flexibility exercises both in and out the water) resulted also in statistically significant improvement of the level of record achievement under research compared to the first group ( using flexibility exercises in water) and the second group (using flexibility exercises out of the water). In addition noted positive correlation between certain variables of positive flexibility, static strength and level of record achievement in the four swims.