徒手体操,动作简单,形式多样,内容丰富。一般不受年龄、性别、健康水平及场地设备的限制,而对增进健康又有一定的实效,因而是一项宜于开展的群众性体育锻炼项目,也是学校体育教学中必不可少的重要内容。为了便于教学和推广,徒手体操一般是采用图解的形式来表达动作的过程和形象。其中简图是最常用的最方便的一种图解方法。这是因为简图有如下优点:一、绘制简易,图能示意。二、在制订课时计划时,采用简图记写,可以节省时间和篇幅。三、在课堂教学中,采用简图描述,便于剖析动作。四、在观摩学习时,采用简图速记,可快速而完整的搜集整理资料。五、利用简图描绘、创编和设计新的徒手体操动 Freehand gymnastics, action is simple, diverse forms, rich in content. Generally not subject to age, gender, health level and equipment constraints, but also to promote health and have some effect, it is a suitable mass physical exercise program, but also an essential part of school PE teaching . In order to facilitate teaching and promotion, freehand gymnastics is generally used to express the process of action and image in the form of diagrams. Schematic diagram is the most commonly used one of the most convenient graphical method. This is because the sketch has the following advantages: First, draw simple, map can indicate. Second, in the preparation of lesson plans, the use of simple chart writing, you can save time and space. Third, in the classroom teaching, the use of simple description, easy to analyze action. Fourth, observe the learning, the use of shorthand shorthand, quick and complete collection of information. Fifth, use the diagram to depict, create and design new handball exercises