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1引言1.1问题的由来中国田径协会依照国际田径协会联合会《2002~2003国际田联手册》翻译的《田径竞赛规则2002》中第230条规定了竞走的定义:“竞走是运动员与地面保持接触、连续向前迈进的过程,没有(人眼)可见的腾空。前腿从触地瞬间至垂直部位应该伸直(即膝关节不得弯曲)”[。
1 Introduction 1.1 The Origin of the Problem Article 230 of the Athletics Regulations 2002 translated by China Athletics Association in accordance with the 2002 IAAF Handbook 2002-2003 stipulates the definition of walking: “Walking is the athlete’s contact with the ground , The continuous forward process without (visible) emptying of the front leg from the touchdown to the vertical should be straight (that is, the knee can not bend) ”.