The effect of downhill exercises in speed Endurance, maximum oxygen consumption and completion of 800 meters run

Abstract

The training of athletics events is to develop scientific and standardized training programs to develop the athlete's level and reach him to higher levels, and each event has its own specifications and requirements, including the effectiveness of running 800 meters, which needs the development of some physical qualities and their energy systems to obtain physio-logical adaptation of organic devices to perform and withstand the effort expended during the race to achieve the best time, since the effectiveness of running 800 meters falls within the mixed system with the anaerobic system to withstand the performance as a result of fatigue that occurs during the race ، From this point of view, the research problem was focused through the preparation of special exercises on the slopes, ascent and descent, and the extent of their impact on speed tolerance, maximum oxygen consumption and the completion of the 800-meter run, and with the impact of these exercises in the study variables on the youth players of the clubs of Diwaniyah governorate athletics in the 800-meter run and the age of Under ( 20) years, the number of( 8) players for the sports season ( 2025) . After the experimental group was homogenized according to the research variables and after the pre-tests for speed tolerance, maximum oxygen consumption and achievement, the researcher prepared exercises on the slopes ( up and down ) to develop speed tolerance, maximum oxygen consumption and completion of running 800 meters, relying on his experience and field experience and using the opinions of some experts and specialists in the field of athletics), these exercises included different stresses of at the stage of special preparation, after the end of the training period, dimensional tests of the study variables were conducted and through the results the researcher concluded  There is a clear effect in training slopes (up and down), which improved the maximum oxygen consumption and endurance speed, which led to the development of achievement and through the results, the researcher recommends the need to prepare training curricula in the stages of general and special preparation on heights or slopes to develop physical and physiological variables for various running events