本文目的在于鼓励所有美国人接受推荐的体力活动方案，更多地参加健身活动，藉以促进大众健康并预防疾病。原文先由５位美国科学家起草，后经有关专家多次研讨成文，以作为大众健康咨询信息，结论为“每个美国成年人要尽量做到每周，每天从事中等强度体力活动累计３０分钟以上”。美国心脏学会也同意本文观点，现摘译供参考 The goal of this article is to encourage all Americans to accept recommended physical activity programs and to participate more in fitness activities to promote public health and prevent disease. The original text by the first five American scientists drafted, after several studies by the relevant experts written, as the public health advisory information, concluded that “every adult in the United States should try to do weekly, daily moderate physical activity accumulated more than 30 minutes ”. The American Heart Association also agreed with this article’s point of view, now translated for reference