The researcher applied the experimental method for suiting the nature of the research by using the experimental layout of two experimental groups and conducting the pre and post-measurements. Research sample and population:             The research population was students in the 4^th grade specialized in training field and track events at Faculty of Physical Education for Boys, Zagazig University in the 1^st term in 2015/2016 academic year amounting (25) students. After excluding students participating in the pilot study of (7) students, the researcher have selected the main research sample of (18) students intentionally by (72%) of the research population. The researcher classified the main research sample into two experimental groups representing the 1^st experimental group of (8) students having ACE/ID gene and the 2^nd experimental group of (10) students having ACE/DD gene.             Normality of distribution of the research sample individuals was computed in variables of growth, muscular power and the numerical level in the triple jump that may effect on the experimental variable.