| The paper adopts the method of image measurement and analysis to get kinematics parameter of the currently excellent athletes in the world. Then the paper applies biomechanics to study on the skills adopted by those excellent athletes in order to make it clear the necessary features of skills in curved-path speed skating. At the same time, more perspectives are wished to be involved in the study. In this way, the paper hopes to provide theoretical foundation for the evaluation of skill of those excellent athletes in curved-path speed skating and training instructions.Through the above analysis and studies, such conclusions are got: excellent athletes' knees and ankles are not at the utmost. The angle of knees is around 150°-160° and the angle of ankles is around 110°-120°. In the process of moving from single-sustenance to double- sustenance, the angel of body tends to enlarge; in the process of moving from double-sustenance to single-sustenance, the angle of body tends to decrease; when the right leg is kicking on the ice, the center of gravity is just moved to the upper point of fulcrum, which means the center of gravity is vertical to fulcrum, while the left leg starts to kick on the ice when center of gravity completely surpass fulcrum; right knife touches the front ice of the supporting foot, the left knife touches the interior and front ice; small momentum variation coefficient and good effect of momentum move show the rationality of action and abundance of the use of energy; currently the percentage of the distribution of each link of excellent athletes is greatly improved; each link of momentum variation that follow the principle of big links, small momentum variation coefficient and small links, big momentum variation coefficient is rational. |
PDF Full Text Request