ISSN 2415-3060 (print), ISSN 2522-4972 (online)
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УЖМБС 2023, 8(1): 311–317
Physical training and Sport. Theoretical and methodical aspects of physical education and sport

Biodynamics of the Technique of Barbell Jerk in Weightlifters of Different Sexes

Oleshko V. G., Korobeynikov G. V., Shynkaruk O. A., Putsov S. O.

The purpose of the study was to examine the biodynamics of the clean and jerk technique of the different gender athletes in weightlifting. Materials and methods. The following methods were used in the study: the study of scientific and methodological literature, Internet resources, pedagogical observations, video recordings of competitions, biomechanical analysis of the structure of the movement of the barbell, methods of mathematical statistics. More than 90 elite weightlifters participated in the research, in the conditions of competitive activity at the World, European and Ukrainian championships during the last ten years. Results and discussion. The analysis of the biodynamic characteristics of the barbell clean and jerk technique shows that the individual values of the force of interaction of athletes with the barbell in weightlifters of different genders and groups of weight categories have some differences: some of them increase with an increase in the body weight of athletes, others decrease, and some do not change, respectively. The biodynamic characteristics of the barbell clean and jerk in female weightlifters in terms of the force of interaction with the barbell have significant differences from the similar strength characteristics of male weightlifters. Tendencies were established to decrease simultaneously with the increase in weight categories of athletes in the magnitude of the force of interaction of athletes with the barbell at the limit moment between the phases of pre-acceleration and the transition phase, in the transition phase (in clean), in the phase of active braking and drive (in women in jerk). The level of force applied to the barbell in the phase of the catch in jerk does not change in all weight category groups of male athletes. A comparative analysis of the biodynamic components of the technique of performing the clean in the different gender weightlifters shows that they have significant differences in the level of manifestation of the force of interaction with the barbell. At the same time, female athletes have higher level of interaction with the barbell than male. Such a conclusion requires coaches to take into account these features during the development of biodynamic characteristics of the technique of performing competitive exercises by athletes of different genders and groups of weight categories, as well as during the process of improving the technique of motor actions. The analysis of the characteristics of the force of interaction with the barbell of different gender athletes in the jerk phases shows that female weightlifters in some phases of the movement apply a higher level of maximum force to the barbell than male athletes, and in others, its level of force is lower, despite of the fact that they lift a barbell of much less weight. Conclusion. Most of the biodynamic components of the technique of lifting the barbell in jerk are significantly higher in women than in men. The vast majority of biodynamic components of the jerk technique among athletes of groups 1-3 of weight categories have significant differences in the magnitude of the force of interaction with the barbell, including depending on the weightlifter’s gender

Keywords: biodynamics of technique, clean and jerk, weightlifters, weight categories, competitive activity, technical preparedness, gender differences, motor actions

Full text: PDF (Ukr) 425K

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