| Focused on countries of the world in recent benevolent developed for various sports at all levels , and it showed through Mashahdnah at the Olympics and the World Championships of improving performance and technical level digital , as the world has witnessed rapid development in athletics after he developed the world's developed great potential to raise the level Sports in ways that advanced scientific which to invest technical capabilities and physical athletes all , making them pray to the highest level and won medals at the international and Olympic among the events athletics effectiveness of the enemy (400) -meter hurdles is one of the activities of athletics , which is characterized by speed , power, and excitement , where this classified Hits events within the speed short- long-term (relatively ), WA n competition continuing to break down the numbers and achieve the highest level of achievement in the activities of athletics in particular, and the effectiveness of the enemy (400) -meter hurdles in particular is one of the topics that occupy the minds of many of those interested in achieving the digital evolution for this event due to the long distance race and time commuting , as it relies effectiveness in performance motor and skill to achieve the highest levels on the physical characteristics and physiological and degree of integration among them, is the process of evaluating the training programs of the foundations important to know the effectiveness of these programs and their impact on the level of performance in both the run ( the period of formation Alforma sports ) or competition period ( period installed Alforma sports ) . It is through the experience of the researcher in the training activities of athletics and be informed of the sources , believes that the tests evaluate level is one of the indicators that reflect the level him up player during the competitions , whether these tests physical or physiological or psychological , and sometimes tests focused on the enemy distances each At least clocked Specialist and some more than others and it uses clocked Specialist . And to predict the level of performance of the player and stand on his condition training and therefore his participation in the competition. |