The impact of strength exercises in the opposite double hierarchical style on some abilities in the effectiveness of the hard disk for the class (F40) for men

Abstract

The importance of the research is reflected in the use of the opposite double hierarchical training method and the design of structural charts as a time indicator for organizational work that depends on the use of weights, rubber ropes and medical balls in different shapes and weights, and through a serious practical attempt to investigate modern training alternatives using strength exercises in this opposite double hierarchical method to achieve  Good technical performance and a high level of achievement, and this is one of the necessities of working on how to overcome the stability of the achievement level for the effectiveness of discus throwing for (F40) players with disabilities, because the great progress witnessed in athletics activities is due to the benefit of workers in the field of sports training from following the correct scientific method  And good training in order to achieve the goals to be reached, and the research problem was the researchers noticed that the effectiveness of the discus throw for the disabled for the F40 category still suffers from stability in developing results and reaching the best records compared to other countries and other activities.