أثر الجهد البدني مرتفع الشدة بالأسلوب المتقطع و المستمر على تركيز هرمون البيتا أندروفين للرجال بأعمار (45-50) سنة

The research aim is to knw the effect of the high intensity of the physical effort which is spend prepared a according to spend the energy by the interrupted, the concentration style on the beta-endrophine concentration the blood sugar changes , the average of the blood heartbeat, the research contains (10) player who practice the physical activities in the physical education college of the aL-Qadissiyah university, the interrupted has done for 60 minutes which is divided into 15 minutes for four periods during then there were the rest-time for two minutes between each repeat, the continuous effort has done during (60) minutes wit out any of the ret-time, the effort was the sequences Amory the run, walk and some of the other movements, the research discover the beta-endrophine by using the imported lactic from chine company (Elabscience) before and after the physical effort the heartbeat changes, the sugar and the blood pressure the research get many results ,such as the beta-endrophine concentration is increasing clearly after the interrupted physical effort with comparison with the continuous effort .