تأثير التوقف عن التدريب في نشاط بعض إنزيمات نظام الطاقة اللاهوائي و أوجه القوة العضلية لدى لاعبي الكرة الطائرة

Abstract EN

The effect of detraining on the activity of some enzymes of the anaerobic energy system and the special muscle strength faces of volleyball players has been studied in eight (8) elite Nenavah volleyball players ,the average age, height and weight (16.75 ± 1.28),(173.10 ±8.54) , (58.62 ± 9.34) respectively.

They were subjugation to training program for twelve (12) weeks , with two training units per week .The main study experience included: Placement test, , and the stop test four weeks after the end of the training program.

The researcher used the experimental method , he also used the test, measurement, and some medical and laboratory tools and devices.

The studied enzymes of the anaerobic energy system and special muscle strength faces are: activity of creatine kinase enzyme in serum ,activity of lactic dehydrogenase enzyme in serum , the explosive strength of the muscles of both legs and arms, and endurance muscle strength of the legs respectively .