在国家和社会大力倡导素质教育的今天,初中体育课程对提高初中学生的综合素质起着不可替代的作用。初中体育课程的开设,极大地丰富了学生的课堂生活,为开拓学生视野提供了更多素材,学生的组织、协作能力因此得到切实的提高。4×100米项目是体育教学中的颇具代表性的一项竞技类体育运动,这种竞技模式对学生身体爆发力、身体协 At present, the national and society vigorously advocate quality education, the junior middle school PE curriculum plays an irreplaceable role in improving the overall quality of middle school students. The opening of junior high school physical education curriculum has greatly enriched the students ’class life and provided more material for exploring the students’ horizons. As a result, the organization and coordination ability of students has been effectively improved. The project of 4 × 100m is a kind of athletic sports in the teaching of physical education. This athletic mode has great impact on students’