تأثير برنامج تمارين بدنية لا هوائية باختلاف نسبة الزمن إلى الراحة على تطوير القدرة اللاهوائية و مؤشر التعب العضلي لدى لاعبي كرة القدم للناشئين

Abstract EN

The athletic energy subject is one of the important scientific subjects which become more attention for athletics and there is not movement without of energy, the source of energy realization and attempting to placement during the sport training is gets us to progression in effort economy and the production energy is one of the subjects that have a strong relation with sport activities and there is difference between these activities in work and intensity and this difference facing also the different of production energy system.