从人的生物性与社会性对立统一规律出发 ,发现人的生物性与社会性对健身有着不同的要求 ,提出了“健身的生物弹性范围”和“健身社会弹性范围”两个重要概念 ,阐述了健身的生物学原理和社会学原理 ,对健身的量化过程有着积极的促进作用 ,并论述了健身过程中人的生物性与社会性的对立统一规律 ,是指导人们健身活动的理论基础 Based on the unity of human biological and social oppositions, we found that human biological and social requirements have different requirements on fitness, and proposed two important concepts of “biological elastic range of fitness” and “flexible social fitness range” The principles of biology and sociology of fitness have a positive effect on the process of quantification of fitness and have discussed the unity of opposites of biology and sociality in the course of fitness and are the theoretical basis for guiding people’s fitness activities