Influence of the Change of "the Ankle Angle" on Skaters Speed

The article makes use of the sports mechanics to analyze the minimal range of ankle angle among the skating postures from the anatomical perspective,concluding that a smaller ankle angle is beneficial to improve the skating effect and increase the skating speed.The article also analyzes the reasons for the bigger athletes' ankle angle and comes up with the concrete solutions to this problem.The article provides the theory for the athletes and coaches in practice that they attach importance to the influence of the ankle angle during skating.