name / Amr Saber Hamza master of degree in physical education pre doctoral in physical education spesialist of sportive in zagazig university coach of fencing
what is the new
bone and exercise Dr/ Taha basyoni and Gamil eldeeb held a research about the effect of performance natural in bone mineral density and the result indicated that the games which containes jumpes and shock training was benfites to athletes volleyball player have a good bone comparetive swimmer and runners this is the number (1)research in egypt for male not female
