第一,使学生了解动作概念及相关原理,学会自我判断、自我评价。第二,通过学习,学生能做到:选项1——基本掌握后滚收腹举腿动作;选项2——能在保护帮助下基本完成肩肘倒立动作;选项3——能基本完成动作。第三,发展学生的灵敏性、柔韧性和协调性素质。第四,使学生积极参与练习,建立良好的 First, to enable students to understand the concept of movement and related principles, learn self-judgment, self-evaluation. Second, through the study, students can do: Option 1 - Basic grasp post-abdomen abdomen lift leg movements; Option 2 - can be done with the help of the basic support of the shoulder and elbow upside down action; Option 3 - can basically complete the action. Third, develop the students’ sensitivity, flexibility and coordination quality. Fourth, to enable students to actively participate in practice, to establish a good