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Este libro se fundamenta en numerosas investigaciones realizadas durante los últimos decenios en los mejores laboratorios científicos del mundo, en la experiencia de la preparación de deportistas que lograron los mejores resultados en los campeonatos de Europa, del Mundo y en los Juegos Olímpicos. La particularidad específica de este libro consiste en que, junto al análisis de los fundamentos biológicos de las cualidades físicas para desarrollar la fuerza, la flexibilidad, la velocidad, la coordinación y la resistencia, se presentan también diferentes ejercicios utilizados en la práctica deportiva para desarrollar dichas cualidades. Se ofrecen ejercicios de preparación general que constituyen la base para la preparación del deportista, así como ejercicios específicos para desarrollar las cualidades motoras teniendo en cuenta las particularidades para su demostración en las distintas modalidades. Según la variedad de cada modalidad deportiva y cada una de sus disciplinas, el enorme arsenal de medios de la preparación física, es natural que no se pueda presentar un material que satisfaga totalmente a los especialistas de todas las modalidades. Basta con decir que la cantidad total de ejercicios especiales para la preparación física de todas las modalidades olímpicas alcanza los 10.000-12.000. Por ello, esta obra presenta los ejercicios más importantes y más característicos que permiten revelar los principios para su elección cuando se planifica la preparación física de los deportistas. Sobre dicha base, el entrenador puede hacer fácilmente el programa para desarrollar las distintas cualidades motoras par una modalidad deportiva concreta y para un grupo determinado de deportistas. La principal particularidad del presente libro, que lo distingue de otras obras dedicadas a la preparación física, es que el problema se analiza a distintos niveles. El primer nivel, el nivel de base, expone las bases biológicas para demostrar y desarrollar las cualidades motoras; el segundo presenta las bases teóricas y pedagógicas de la preparación física de los deportistas; el tercero se refiere a los medios concretos para desarrollar la fuerza, la velocidad, la flexibilidad, la coordinación y la resistencia en el deporte moderno de alto nivel; el cuarto nivel presenta los medios materiales y técnicos para la preparación física y para controlar su eficacia. La interrelación entre el contenido y el equilibrio de todos los niveles mencionados constituyen la novedad de la presente obra, y abren excelentes perspectivas para plasmar su contenido en la práctica más amplia.