استخدام مدة الراحة بين التكرارات وفق معدل ضربات القلب (140 و 160 ض-د)‎ و تأثيرها في تطوير تحمل السرعة القصير و تركيز حامض اللبنيك بالدم و إنجاز ركض 800 متر

الملخص EN

The open ion of the study that using two kinds of rest between repetition exercise depending on the Reat heart (140) and (160) to developing short endurance speed and lactic acid concentration in blood and performance (800m) running .

using two group each of them (7) players using one kind of that rest with achieving same program in An intensity and volume of training .

the period of the program about (10) weeks including (30) unit had using (3) days every week .The result appeared that the group which used reat heart (160) better than the group used (140) in all tests of the study.