我所任教的高一年级，学生在初中阶段由于受山区农村学校的场地器材和师资力量所限，绝大多数学生未能接触过跨栏跑教学，因而在高一年级跨栏跑的教学中，跨栏步仍然是一道难以逾越的“门槛”。在深入分析跨栏步技术结构，全面调查研究学生的基础上，根据循序渐进的教学原则，? In my senior year of teaching, students were limited by the venue equipment and teachers of rural schools in the mountains during the junior high school. Most of the students were not able to contact the hurdle teaching. Therefore, in the teaching of the first grade hurdles, the hurdles Step is still an insurmountable “threshold”. In-depth analysis of the technical structure of the stride step, based on a comprehensive investigation and study of students, based on the principle of gradual and progressive teaching?