GENERAL BIOMECHANICAL REGULARITY WHEN PERFORMING SKI DESCENTS
This scientific article presents a general biomechanical pattern when performing ski descents. In this study, in order to ensure compliance with the basic biomechanical regularity, the processes of interaction of the links of the skier's body during the control of descents were considered. To identify the real mechanism that ensures compliance with this pattern, we applied a systematic approach (based on the theory of functional systems by P. K. Anokhin). Two ways of ensuring the basic biomechanical regularity are revealed. The experiment performed by electrochronometry and cinematography confirmed the truth of the general biomechanical regularity. The experimental track, marked with ten gates on a slope of medium steepness with hard snow, was passed four times by 19 skiers of mass (I, II and III) categories. In all 19 participants, when performing descents in a biomechanically regular position (1st and 3rd attempts), the results were better (from hundredths to 2 seconds) compared to descents in an inclined position. This study of the general biomechanical regularity in the performance of ski slopes can be considered as a model of preparation of a skier studying at the Institute of Physical Culture and Sports in the group of pedagogical physical culture and sports improvement. The results obtained in the course of our research were used to adjust the individual training plan of alpine skiers engaged in the group of pedagogical physical culture and sports improvement.