The monograph discusses the problems of interaction between load and rest in the process of training qualified athletes. The phenomenon of maintaining sports performance after long breaks in the training process caused by injuries, illness is described and its theoretical justification is given. Data on the chronology of adaptation rearrangements in the education of various motor abilities and reduction changes in training with long breaks in the preparation process are presented. The question of the technology of maintaining training during a forced break in sports activities is covered. For sports professionals.