1 目的儿童青少年正处在生长发育的关键时期,是奠定成人体质的基础阶段。我国广大儿童青少年受到国家的特别关怀,经过九年的义务教育与其他方面的培养,将成为建设四化大业的脑力和体力劳动者。因此,学生的身体素质直接影响着国家的兴衰,而他们身体健康的物质基 1 Purpose Children and adolescents are at a crucial stage of their growth and development and are the foundational stages of their physical fitness. The vast majority of children and adolescents in China receive special state care and after nine years of compulsory education and other aspects of training, they will become mental and manual workers in the cause of building the four major revolutions. Therefore, the physical quality of students directly affects the rise and fall of the country, and they are healthy material base