后蹬跑教学中，学生很容易出现如下错误现象： 　　1.似跑似跳地跳着跑； 2.后蹬腿蹬伸不直，蹋腰易做成后踢腿跑； 3.摆动腿大小腿折叠不充分，易做成踢小腿跑，难以形成摆动腿和支撑腿短暂的空中停滞交换； 4.上、下肢配合不好，动作不协调易形成提肩、弓背的动作； 5.学生做 After the run-in teaching, the students are prone to the following error phenomenon: 1. It seems to jump like jumping to run; 2. After the kick pedal stretch is not straight, 蹋 waist easy to make after the kick run; Folding is not enough, easy to make kicking leg run, it is difficult to form a swinging legs and support legs temporary air stagnation exchange; 4. Upper and lower limbs with poor, inconsistent action easy to form the shoulder, bow back movements;