摘要
Regular physical activity(PA)provides well established multiple health benefits and can improve physical,mental,and social health for people of all ages.In 2004,the World Health Organization(WHO)launched the first global strategy on diet and PA,1which urged all countries to implement a set of recommended policy actions to increase levels of participation.Despite
Regular physical activity （PA） provides well established mul- tiple health benefits and can improve physical, mental, and social health for people of all ages. In 2004, the World Health Organi- zation （WHO） launched the first global strategy on diet and PA,which urged all countries to implement a set of recommended policy actions to increase levels of participation. Despite much optimism that this strategy would be a catalyst to global progress in the field of PA, reflections on the last decade have shown an inadequate response in breadth, scale, and impact.
