Article
The purpose of the research is to study the biomechanics of spinning casting when solving various motor tasks.
Methods and organization of research. The identification of kinematic parameters was conducted using a Fastec InLine-1000 high-speed camera, which was equipped with a long-focus lens. The capturing was conducted at a frequency of 250 fps. The point tracking and subsequent data analysis were conducted using the Kinovea software application. The Bertec force platform 900 x 600 mm was used to determine the dynamic parameters of the cast. The dynamic data were recorded at a frequency of 1000 Hz. The study was conducted with the participation of an athlete who had achieved high level of proficiency in fishing and had been awarded the regional championship title in spinning fishing. The athlete performed two trials of the casting technique with a spinning rod. In the first attempt, the aim was to cast as far as possible. In the second attempt, the aim was to hit the target with a weight at close distance.
Research results and their discussion. To analyze angular kinematics, angles in the athlete's shoulder, elbow and wrist joints were studied. The data was plotted in graphics of angular displacement, angular velocity and angular synergies. The specific features of movement execution in each joint are determined. It was also found that the elbow joint has the greatest amplitude and angular velocity, whereas the shoulder joint plays an insignificant role in the execution of the cast. Force plate enabled the investigation of the center of pressure and ground reaction forces. It was established that the two types of casts have fundamental differences. When executing a cast for accuracy significantly smaller fluctuations in the ground reaction forces are fixed.
Conclusion. The study resulted in a quantitative description of the casting technique for a spinning rod. A comparative analysis was conducted to examine the biomechanics of casting techniques, specifically those designed for distance and accuracy. Distinctive features of casting were established when solving various motor tasks.
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