The purpose of the work was to study the peculiarities of changes in the quantitative indicators of the most powerful attacking and counter-attacking kicks in MMA in the process of strength training, depending on the load regimes and their energy supply system. Materials and methods. 75 athletes aged 19 ± 0.7 years who have been practicing MMA for the past 4 ± 0.8 years were examined. The duration of the study was 12 weeks. The participants were divided into 4 groups of 25 men each. The representatives of the 1st and 2nd groups used the anaerobic-glycolytic mode of energy supply for power loads in conditions of low (Rа=0.53) and medium (Rа=0.65) intensity. Athletes of the 3rd group used loads of high (Rа=0.72) intensity in the conditions of the anaerobic-lactate mode of energy supply. To control the dynamics of shock training indicators, to determine the number of attacking kicks in MMA (front kick, side kick, reverse side kick, roundhouse kick) in 20 seconds with maximum force until complete muscle fatigue, the method of testing the training level was used. Results and discussion. It was found that during 12 weeks of training, the use by athletes of 3 groups of high-intensity power loads (Rа=0.72) in the conditions of the anaerobic-lactate energy supply regime provides the greatest increase in the number of strokes performed in 20 seconds by an average of 11.8% compared to the weekend data. It was established that in the participants of groups 1 and 2, despite the use of an identical anaerobic-glycolytic mode of energy supply for muscle activity, the controlled indicators of impact training show a different tendency to change. Thus, in the athletes of 2 groups, the dynamics of impact training indicators during the study period is almost by 1.5 times higher compared to the results found in the examined 1 group during the same period. It was investigated that the greatest increase in the number of kicks performed in 20 seconds during the period of the experiment (by 15.3%) was found in representatives of the 3rd group during the execution of the attacking kick “Reverse side kick”. In turn, the smallest increase in the quantitative indicators of impact training was recorded in athletes of group 2 (by 2.5%) during 12 weeks of the study during the performance of “Side kick”. Conclusion. The use of high-intensity loads in the process of strength training of MMA athletes in the conditions of the anaerobic-lactate mode of energy supply contributes to the most accelerated growth of quantitative indicators of shock training against the background of increasing the functional capabilities of their body
Keywords: impact training, energy supply modes, MMA, functional capabilities, athletes, intensity
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