دراسة مقارنة للقوة المسلطة على وفق مناطق القدم في المسندين الأمامي و الخلفي عند الانطلاق من مسندي البداية في فعالية 400 م حواجز

Abstract EN

Through the researchers 'note, the information is not a valuable digital value for power from the start and departure of the player through the amount of man's push for the backrest and the front rest, as it is difficult to provide a platform that measures strength at every step for the supporters at the start of the race, at the present time, modern technologies have provided the ability to measure strength in All steps using the Dynafoot3 system, as this system provides valuable and very important information about the strength areas of the foot for the supporters, while the second issue relates to the type of effectiveness, as the foot areas in the effectiveness of 400 m hurdles differ in the shape of strength in terms of the foot close to The center varies from shape a A strength for the feet away from the center, and this information was not previously available in any study the researchers looked at, so this study was carried out, and the importance of the research lies in finding the strengths of the player's strength when starting from the start rests (back and front) of the right and left legs to achieve the best achievement Which affects the codification of strength and speed during the starting from the starting line for hostility, which can be invested in achieving the best achievements and within the effectiveness of (400 m) hurdles, the researchers identified the research community and they are the players of the national team for the effectiveness of (400 m hurdles) barriers, the number of (4) players, the researchers By giving two attempts for each A player on the first field so that the number of attempts becomes (8) attempts, and the sample represented 100% of the community, the homogeneity of the research sample was conducted and then the main experiment was conducted after filling out the information in a special form for the players and inserting them into the system, and the data was statistically processed by the program ((spss) To know the results obtained from the system, the results were significant in the following footprint areas (thumb, second and third man toes, fourth and fifth man toes, middle medial foot, medial heel, lateral heel, total) i.

e.

there was a significant difference in amounts Strength for front and back support.