A comparative study of some physical characteristics among football players rated under 20 years of age according to the age variable

الملخص EN

The object of the study aims to identify potential differences in some fitness components between football players for the age group under 20, by comparing their results in applied physical tests.

For this purpose we used a case study methodology on a sample composed of 26 players for the first year and 26 players for a third year, was chosen intentionally, and for data collection, we used the testing tool, after collecting the results and having treated them statistically with the "T student test" to indicate the differences, we conclude that there are statistically significant differences between the results of the two samples in the periodic respiratory endurance tests and the explosive strength of the leg muscles in favor of the older, and on this basis the study recommended that the age group not contain more than two years, and it is preferable to each category includes only one age, adapting physical work individually or in a converged group system.