一、递进教学法的主要特点在不破坏跳箱分腿腾越完整动作结构的前提下,改变器械的高度和长度,变换练习环境,降低动作难度,使学生由易到难、循序渐进地学习跳箱分腿腾越技术。教学中学生以自主学练为主,当基本掌握了前一项练习后,方可进入后一项学习,如同上台阶,步步升级,即:1. First, the main characteristics of the progressive teaching method. Without destroying the full-motion structure of the jumping box, the height and length of the equipment are changed, the training environment is changed, the difficulty of the movement is reduced, and the students learn from the easy to the difficult and the gradual progress in learning the jumping box. Leg leaping technology. Teaching middle school students to learn and practice their own initiative, when the basic master of the previous exercise, before entering the next study, as the steps, step by step upgrade, namely: 1.