The study aimed to identify the effect of eight- weeks of high intensity interval training (HIIT) on some health-related fitness component’s, the sample of the study consisted of 33 students of Abwein School (age 15 ± 1; length 1.55 ± 8; weight 45 ± 2). They divided into three groups equally 11 students for each group, the first group used (HIIT) for 8 minutes, the second group used (HIIT) for 10 minute and the third group used (HIIT) for 12 minutes. The results of the study showed that there was an improvement among the members of the first, second and third groups in favor of the post-test for all study variables, While the results showed that there are differences attributed to the group variable in you from the following variables: (Muscular endurance to the muscles of the chest in favor of the second group (10-min), where the mean was (20.25 / times), The fat percentage between the first group (8 minutes) and the third group (12 minutes), in favor of the first group, where the mean was( 14.5%), Also, there are statistically significant differences in a variable that Muscular strength for the abdominal muscles and in favor of the second group (10-min), ), where the mean was (29.85 / times).  Researchers recommend that high-intensity interval training (HIIT) should be used for the three times used in the current study (8 minutes, 10 minutes, 12 minutes), as they are appropriate times to improve adolescent health-related fitness component. 
Keywords: Muscular endurance, HIIT, Physical fitness component, Flexibility. 

Title

حسن علان جودالله

Publisher

An-Najah National University

Publisher Country

Palestine

Publication Type

Online only

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