在蹲踞式跳远教学中,笔者通过对蹲踞式跳远落地环节缺乏“两腿前伸”动作的学生进行调查分析发现,造成跳远落地时“两腿前伸”动作欠缺的原因主要有两个:一是部分学生的腰腹力量较差,不能做出前伸两腿的动作;二是部分学生缺少空中前伸两腿时的用力体会,不知道怎样才能做出两腿前伸的动作。经过多年的教学实践,笔者认为,如果在加强学生腰腹力量训练的同时,用“两小腿 In the squatting long jump teaching, the author of the crouching jumper landing lacks ”leg extension “ survey conducted by the students found that when the result of long jump landing ”leg extension “ lack of action mainly due to Two: First, part of the waist and abdomen of students poor power, can not make the action of reaching out legs; Second, some students lack of force in the air when stretched out legs, do not know how to make legs stretched action. After years of teaching practice, I believe that if students strengthen the waist strength training at the same time, with ”two legs