تأثير تدريبات وفق الزمن المستهدف ومكمل البنجر الأحمر في التحمل الخاص وإنجاز ركض 400 م حرة تحت 20 سنة

الملخص EN

The study aims to use exercises according to the target time to carry the training and according to the equation of the scientist Frank, where three distances are legalized according to the target time to run 400 m freestyle and they are (150 m, 300 m, 600 m) to develop special endurance to develop the achievement of running 400 m freestyle under 20 years.

as the study was applied to the first experimental research sample, exercises according to the target time according to the scientist Frank’s equation in addition to doses of red beet supplement and the second experimental exercises according to the target time according to the equation of the scientist Frank and the control sample was limited to the training of the trainer only.

the researchers concluded that there are differences in special endurance capabilities and the achievement of 400 m freestyle for the benefit of the sample that took training according to the target time according to the equation of scientist Frank over the control sample that applied the trainer’s training, and the beet supplement had the preference of the first experimental group over the second experimental group that was not given the supplement.

the researchers concluded that training according to the target time according to the scientist Frank's equation, which was applied by the members of the second experimental group to develop special endurance and achieve 400 m freestyle, is better than the group that applied the trainer's training.