Effect Of Training In Zone 5 (redline Zone) On Developing Repeated-sprint Ability (rsa) In U19 Football Players

الملخص

This study aimed at examining the effect of using the zone5 Red-Line training zone on developing the repeated sprint ability (RSA) in RC Relizane; U19 football players . To conduct the study, an experimental approach was adopted according to the nature of the study. A sample included 20 players divided into two sub-samples of equal size was used. 9-week basic training units were accomplished. RSA post-tests were then conducted on the two chosen sub-samples. Overall results were deemed significant, meaning that there were statistically significant differences between the means of the two groups in favor of the experimental group.