西德体育教学法专家海克尔在评价体育课的质量时提出两条简单的标准 :一是“出汗” ;二是“笑”。关于“出汗”意义不难理解 ,这里仅就“笑”的生理和心理意义作一分析。从某种意义上讲 ,笑是一种特殊的全身运动 ,它能消除疲劳 ,使人心情愉快。笑能使课堂气氛活跃 ,学习情绪高 In the evaluation of the quality of physical education, Hakkheim, a specialist in sports pedagogy, put forward two simple criteria: one is “sweating”; the other is “laughing.” It is not hard to understand the meaning of “sweating”, and we only analyze the physiological and psychological meanings of “laughter” here. In a sense, laughter is a special kind of whole-body exercise, it can eliminate fatigue, make people feel happy. Laugh can make the classroom atmosphere active, high learning sentiment