"The Emotion Features And Its Relation With The Digital Achievement Level For Young Swimmers (Comparative Study).," The journal of physical education researches , faculty of physical education for boys , Zagazig University . "Effective Use Of Various Physical Exertion Intensity On Functional Efficiency Of The Respiratory System Of Swimmers. ).," The journal of physical education researches , faculty of physical education for boys , Zagazig University . the effect of using mind portrait program on improving starting skill and the numerical level to 100 swimming crawling on tront and some psychological varlables the effect of competition load 1500m carwling in fornt on muscle aid and con centration of some low and large factors in blood the effect of biometrics training to develop the muscle strengthon some bio chemical varlable and the body component numerical- skillfull to swimming girls the effect of training program on the physical varilabels and psychologicaland the numerical level for swimmers the efficiency of the developing the muscle strengthon on the numerical- fedration and its relation with hody compent to junjors swimmers the efficiency of component training on muscle and catecolamin and numerical achievement to swimmers بناء العاملى البسيط للقياسات الجسمية لسباحى المسافات القصيرة السمات الانفعالية وعلاقتها بمستوي الانجاز الرقمي للسباحين الناشئين تأثير حملة بدنى مقنن على بعض المتغيرات الفسيولوجية فى ضوء علاقتهما بالمستوى الرقمى للسباحى مسافة 100 متر حرة حاجات الامان وتأثيرها على مستوى الاداء فى السباحة لدى طلاب كلية التربية الرياضية بالزقازيق داسة مقارنة بين طريقتي السباحة بالسرعة المنتظمة و السرعة البطيئة السريعة وتأثيرهما على المستوى الرقمى للسباحين الناشئين فاعلية استخدام مجهود بدنى مختلف الشدة على الكفاءة الوظيفية للجهاز الدورى التنفسى للسباحين Acomparative study of some psychological traits between swimmer and water- polo players أ ثر استخدام العمل اللاهوائى فى نهاية الوحد التدريبية على مستوى الرقمى للسباحين Genetic diversity of ACE gene and its relationship with anthropometric and physical variables and performing the youngsters' freestyle The role of HIF1a, VEGFa and MCT4 on performance in racing horses. Some basic and hormonal profile for selection of short distance swimmers