The monograph provides information reflecting the sensitive periods of development of growth and weight indicators and physical qualities of school-age children of normal physical development, as well as the peculiarities of the manifestation of physical qualities in young athletes-gamers at various age periods. Exemplary sets of exercises, methods and methodological techniques for educating basic physical qualities are given. The material of the monograph is intended for specialists working with athletes of children and youth, and will also be useful to specialists in organizing and conducting training sessions in accordance with the most favorable periods of development of physical qualities and abilities of young athletes. Undergraduates, undergraduates and postgraduates will also find a lot of interesting material for performing qualification work.