Influences of social changes on top Chinese athletes sport life span;

Analysis of elements influencing sport life span of athletes in China at present;

An introduction to sport life span of excellent athletes;

Comparing with other strong gymnastic countries,the female gymnastic athletes of our country retire on a young age,with a short sport life span,which seriously influences the sustainable development of the female gymnastics of our nation.

The difference of sports life between excellent Chinese athletes in different event groups;

The prolonging of sports life of many excellent athletes really helps to realize retrenchment of high investment and high output.

The factors influencing the sports life span of the Chinese female gymnasts were divided into two categories, the sports training theory category and the sociology category.

This text sets out from the effective demand of the person s life activity,analyze the person s spiritual life activity characteristics,and point out it is life activity to base on the person that Physical Education teaching realizes.

The unity of "content" and form manifests a "meaningful form"——life activity is not only the essence for primitive, simple folk customs but also the basis of critical aesthetics.

This paper will explain the field s influence to life activities in terms of the compatible electromagnetism system of people s body itself.

Firstly, the difference between the human s life activities and the animal s is that the human has senior beauty and elementary delight which the animal has.