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The kinematic analysis of gymnastic skills performance is a widely used research method in sports science. This study presents the experience of applying the method of kinematic analysis in the managing the training process of junior gymnasts on the example of mastering three basic gymnastic skills. The test group included 10 junior male gymnasts of the age 9 to 12. The subject of kinematic analysis was based on comparing gymnasts’ joint angles, angular velocity and angular acceleration parameters. The kinematics parameters of gymnastic skills performance by a highly qualified gymnast became the target model for junior gymnasts. As a result of these targets application in the training of junior gymnasts, changes in the basic skills kinematic parameters were detected. At the end of the study, the kinematics parameters of junior gymnasts became much closer to the model parameters. Thus, the effectiveness of the kinematics analysis method in the training of junior gymnasts was demonstrated.

The kinematic analysis of the Russian wendeswing technique performance in different types of supporting surfaces was undertaken using the 3D Qualisys motion capture system. A high-level qualified gymnast performed 5 routines of three Russian circles on the floor and same on pommel horse. The average performance time of Russian circle on the floor was about 0.3 s less than the same skill performance time on pommel horse. The phase structure of each circle contained 4 hand steps of 0.3-0.4 s duration each. Russian circles control actions are performed through the arms. On floor there was a change of the shoulder joint angle in the range of 4° to 35°, whereas on pommel horse, the performance showed the shoulder joint angle range of 9° to 40°. In our research, the main difference between Russian circles performed on different apparatus was found in the positions and shifting of hip joints and the sacrum attached markers. On floor, the Russian circle performance showed a shift in the vertical sacrum marker in the range of 19 cm compared with 11 cm on pommel horse. The results indicated that floor circles demand higher rotation speed from the athlete and presumes bigger vertical hips shifting. On pommel horse, Russian circles performance registered a lower range of angular velocity and vertical hip shifting but had greater shoulder joint angle.

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