الفهرس 
الإطار التقديمي للبحثيوجد فقط 14 صفحة متاحة للعرض العام
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المستخلص
Today, we see the scientific, technical and social development on all levels and all fields. The most important of these is the academic field, and it is important to enter modern technologies such as computer, informatics and other tools that have helped or contributed to the academic field in today’s case. The world level as one of the most important scientific and academic institutions in keeping with this scientific development and modern academia, now classified as a group of the most important references and scientific pillars contribute to the progress of sports and athletes in the world and This is due to the rise of the level of sports performance from the technical and administrative levels to the highest level through a long series of research and scientific studies and practical and effective Nazir, which is looking at all the ways of sports success of the individual and collective games, which made athletes in all disciplines in continuous creativity through the destruction of the basic numbers and get World Championships.It is important to know the importance of sports in our modern society, especially swimming and its money. The sport of swimming is very important for physiologists and training by studying the methods, techniques and skills that can be used to achieve the best results. The increase in the level of career in the various body systems as a result of the standardized training pregnancy, which is the means to raise the efficiency of the biological devices and adapting, which enables the swimmer to respond to the requirements of performance at a high level, and the trainer must Be aware of the physiological aspects of the type of activity and aspects of the performance of the mouth important to the success of the athlete in a specialty to assess the performance and physiological adjustment of the swimmers properly. This is because the sport of swimming is a world of special hardness distinguish between the world of other games surrounding, which leads to swimmer movements of all forms repeated, bilateral and composite and all four types of swimming are:Free swimming, butterfly swimming, back swimming, chest swimming. It is the first and fastest type and called free because the swimmer is free to choose any kind of strikes that he wants to use in the course of swimming without being held accountable by law. Today, international trainers are striving to innovate training exercises that serve the special skills of swimming by finding specialized specialized exercises that help the swimmer to solve the problems of mobility in the pelvis. These specialized exercises have an effective role in eliminating obstacles to the progress of the swimmer during the race as well as to strengthen those exercises methods and methods of modern training, which contribute to raising the efficiency of the physical aspect of swimming and the most important methods The modern training in the world of swimming is performed by the American Society and by the world (Ernst Maglachio) with a book ”swimming fast”. A presentation of the world A combination of training principles in sports training for swimming allowed the absolute freedom of the trainer to work for the industry champions swimming in a scientific and , And through the introduction of the importance of research in the detection of the impact of modern style in swimming training, the American Association of swimming training using some exercises specialized in aerobic and anaerobic capacity and technical performance and achievement in the swimming pool (50) meters free for young people to access new information for Teachers, trainers and researchers are reported to be working in this field. The term ”no antenna” refers to muscle work that produces maximum speed or maximum strength. On this basis, energy is produced without oxygen, in anaerobic way, and there are two types of systems of production of the energy of Anaerobic, one of the system of production of phosphatic power pc atp is the fastest system responsible for the production Energy for physical activities that perform as fast as possible within a maximum of 30 seconds. In the case of an increase in the duration of muscle work to a minute or two, the second anaerobic system, the lactic acid system (the anaerobic molecule) becomes the system responsible for the production of energy, Lactic acid K, which affects the ability of muscle to continue the performance intensity itself occurs fatigue., For example, could fall under these two systems activities lead with maximum intensity and increases performance in which time about 30 seconds, whether these activities are moving or stationary such as swimming 50 meters. The word pneumatic means muscle work, which depends mainly on oxygen in the production of energy, ie, muscle muscle in an aerobic manner in sports activities that require the nature of performance in which to continue the work of muscle for a long time more than (5) minutes, so the muscle to use oxygen to produce The energy needed to perform, and thus can continue to work for a long time before the emergence of fatigue, and this sports activities called endurance activities or aerobic endurance and is in all competitions running, swimming, long bicycles and others.