Importance. Physical training in striking types of combat sports is the main task on which the skill of the athlete is based. At the stage of initial training of young kickboxers, the greatest attention is paid to increasing the level of general physical fitness, i.e. all physical qualities of the athlete are actively developed. The possibility of using various programs, technologies and fitness means in the training process of athletes of different sports is proved by many scientific studies. The implementation of fitness means in the training process of kickboxers of 11–12 years old will promote the harmonious development of all physical qualities, will increase the interest of young athletes to the classes. The aim of the study is to identify effective means of physical training of 11–12 year old kickboxers.Materials and Methods. Analysis of scientific and methodological literature on the research topic, pedagogical observations of the training process of young kickboxers, the method of control tests, an instrumental method (measuring the reaction to a moving object), a comparative pedagogical experiment, methods of mathematical statistics.Results and Discussion. The effect of the fitness introduction tools into the training process is expressed in significantly higher increases in the results of control tests to assess the general and special physical fitness of kickboxer athletes aged 11–12 years. The place of rhythmic gymnastics complexes and Kibo-aerobics combinations based on kickboxing technical exercises in the structure of training sessions for young kickboxers at the initial training stage has been determined.Conclusion. The effectiveness of rhythmic gymnastics and aerobic programs based on martial arts in the training process of kickboxers aged 11–12 years has been proven