4Ainsworth BE,Haskell WL, Whitt MC, et al. Compendium of physical activities : an up date of activity codes and MET intensi- ties [J]. Med Sci Sports Exerc,2000,32 : S498 - 516.
5World Health Organization. Guidelines for data processing and analysis of the International Physical Activity Questionnaire (IPAQ)-Short and Long Forms [ S ]. Geneva:World Health Or- ganization, 2005.
9Move for health,2002 World Health Day. Department of Noncommunicable Disease Prevention and Health Promotion. World Health Organization.
10Pate RR, Pratt M, Blair SN,et al. Physical activity and public health: A recommendation from the Centers for Disease Control and Prevention and the American College of Sports Medicine.JAMA,1995,273:402-407.