一、设计背景笔者所在的学校是农村初中,没有很好的体育设施,实心球场地是操场边的水泥空地上画出分数线作为实心球练习的场地,这个场地存在的问题是实心球的损耗非常快,每个星期都有7、8个实心球破裂。一次突发奇想地将学生带到沙坑边,将沙坑作为投掷区练习实心球,在练习中学生问“老师我扔了几分?”我回答他们“先学好动作”或“大概几分”。在课余时间就想想 First, the design background The author’s school is in rural junior high school, there is no good sports facilities, solid ball court is the playground edge of the cement on the empty draw the score line as a solid ball practice venue, the problem of this site is the solid ball loss is very Fast, with 7,8 solid balls broken each week. A sudden whimsical students will be brought to the side of the sand pit, the bunker as a throwing area practice solid ball, in the practice of students asked “Teacher I threw a bit?” “I answer them” “learn the first action” or “About a few points.” Think about it in my spare time