تمرينات الدفع اللحظي و تأثيرها في بعض المتغيرات البايوميكانيكة لحظة الارتقاء و الإنجاز في القفز العالي لطلاب المرحلة الرابعة

الملخص EN

The levels of athletics in the past few years have made great progress, thanks to the many changes that have been made to the methods of performance, while upgrading training methods.

athletics have great significance in the modern era as a way to prepare the athletic man who has the qualities of self-reliance.

the effectiveness of high jump is one of the activities that have undergone many changes in pasture performance and training methods during the previous time period.

the research problem came about the lack of confirmation of some biomechanical variables of high jump efficiency during the ascent phase and a focus on (knee joint and hip flexion angles, body inclination, advancing velocity, weighted motions speed, advancing force, and advancing time).

using the experimental method and began the pre-tests and analysis on Tuesday, 2 / 1 / 2018.

the exercises were applied on Tuesday, 6 / 1 / 2018 for a period of 8 weeks with two units per week (Sunday, Tuesday).

the post-tests were conducted on Thursday, 1 / 3 / 2018.

after analyzing it statistically, a significant improvement in performance appeared for the fourth stage students.