Рrecision of dose efforts as a factor of intermuscular coordination of athletes

We investigated the accuracy of dose effort of athletes as a factor of intermuscular coordination. Investigating the accuracy of dosage efforts was performed on the multifunction machine "HUBER". We studied two groups. The main group was candidates for master of sports in skiing. The control group consisted of men not involved in sports. Testing was conducted on the test platform in four main positions: A: parallel legs, parallel arms; B: parallel arms, right foot far behind the left one; C: parallel legs, left arm above and right arm below the shoulder level; D: right leg far behind the left one, right arm above and left arm below the shoulder level. The experiment results showed that the athletes were able to reproduce the reference effort in total in all the proposed tests in the time interval equal to 33.23 % of the total testing time, thus showing the average effort of 17.79 kg. In the control group this interval was shorter and was 28.34 % with the average effort of 13.06 kg. The average deviation of the average effort shown by the athletes on a rotating platform was 28.4 % from their average reference effort on a fixed platform. In the control group this deviation was higher and made up 33.49 %. Thus, the athletes managed to reproduce the reference effort and hold it for a longer time more accurately than untrained people. The obtained results suggest that an important factor in the development of coordination abilities of qualified athletes is the formation of intermuscular coordination, which is manifested in the ability to dose muscular effort when performing complex coordinated actions. Along with this, it was noted that in both groups the accuracy of the test effort and the applied force in the "press" (extension) mode is significantly higher than in the "row" (bend). This may be explained by the greater sensitivity of the receptors of the extensor muscles to the changing force effects due to their continuous participation in countering the effects of gravity in everyday life. In addition, both groups showed growth of indicators of effort and average duration of the test effort performance during the test from positions A and B to positions C and D. This is because the position of arms in positions C and D (one above and the other below the shoulder) and the multi-directional effort (press with the arm above and row with the arm below the shoulder level) create a more stable position due to a larger bearing area. Thus, one of the factors in the development of coordination abilities of qualified athletes is the formation of intermuscular coordination which is manifested in the ability to dose muscular effort when performing complex coordinated actions. Apparatus "HUBER" can be used for operational control of the formation of coordination abilities at various stages of training, which is especially important in sports with high demands to coordination.

Keywords

Authors

References