The research aims to identify the effect of a training program for the development of functional strength on improving some physical abilities of a young adult. The researcher used the experimental method with the unit sample to suit the nature of the study. It consists of (22) swimmers for the 12-13 years of age, and the researcher extracted the superiority of the experimental sample in telemetry than in cardiac measurement. The researcher suggests the application of functional strength programs to improve the physical abilities and the digital level of young flippers and swimming.