Purpose: review and analysis of theoretical and methodological provisions of the modern system of training athletes in hand-to-hand combat to set tasks to improve the process of athletes training in various types of martial arts during hand-to-hand combat. Material and Methods: the system of sports laws, concepts and categories of modern sports, the fundamental principles and basic principles of the theory of organization and functioning of stages of retraining athletes of different types of

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... tial arts, practical approaches to study the mechanism of training athletes and justify the need of retraining. The methodological basis of the study is scientific methods of cognition based on a systematic approach to solving the outlined problems. Results: hand-to-hand combat requires an objective study and determination of the features and trends of its development. Without knowing these features and trends, it is impossible to effectively manage the training process. The main purpose of training athletes in hand-to-hand combat - to achieve the maximum possible skills for a particular athlete level of technical and tactical, physical and psychological training, due to the specifics and requirements for achieving the highest results in competitive activities. Based on the analysis, the tasks of future research are set, the solution of which will make a significant contribution to the theory and practice of training of athletes of different types of martial arts, retrained in hand-to-hand combat, as they will create preconditions for introduction of modern sports technologies to the maximum body realization of motor and power potentials; apply developed expert systems for planning and forecasting the training process, etc. Conclusions: the general provisions of the domestic theory of training athletes who retrain in hand-to-hand combat are quite thorough and fundamental, but need further development and specification, because, firstly, they do not always keep pace with socio-economic changes in public life and, in particular, the practice of training athletes, and, secondly, do not sufficiently reflect the specific features of certain types of martial arts.