学校体育课程教学有效性的实验探索课件.ppt

1、概念教学体育教学新思维美国少年儿童的运动不足美国少年儿童的运动不足美国成人的肥胖危机America is the fattest nation on the face of the earth.In the last 20 years,America has become the fattest nation in civilized history.What does this mean?To begin with,it means that 97 million Americans55%of American adultshave been classified by the Nation

2、al Institute on Health as carrying so much extra poundage that their weight constitutes a serious threat to their health.It means that 58 million American adults have now been classified as“clinically obese.”As such,they are substantially more vulnerable to almost every conceivable health problem.An

3、d it means,says Dr.Gordon Jenson,Director of Clinical Nutrition at Vanderbuilt Universitys School of Medicine,that obesity,which is now killing over 300,000 Americans every year,is a“crisis of epidemic proportions.”美、日、韩及欧盟成人肥胖流行与此同时，世界上其他发达国家的情况也不乐观。如：日本成年男性肥胖比率是27.8%，成年女性肥胖比率是22.3%；韩国男性34.5%，女性27.3%；欧盟肥胖人口已经达到1400万。超重及肥胖学生数增长迅速，已成为重要健康问题。2002年监测结果显示，718岁的城乡男、女生肥胖比例全部明显上升。2004年监测结果显示，60左右的年龄组超重及肥胖检出率继续上升，其中1012岁城市男生肥胖率已达1597。由美国“The National Association for Sport and Physical Education（NASPE)”制定并颁布的“走向未来”体育课程国家标准成为我国新课标的参照本。“反思建构”：见物更要见人