|（1.School of Physical Education，Jiangxi Normal University，Nanchang 330027，China；2.School of Physical Education，Yichun College，Yichun 336000，China）
Abstract: Slight kinetic skeletal muscle damage (SKSMD) can cause the temporary deterioration of muscle functions, may also cause more serious damage or over training or even the end of athlete sports life if not treated properly. How-ever, existing researches indicated that appropriate centrifugal exercise training can boot muscle fiber hypertrophy and corresponding muscle strength growth better than centripetal exercise training, and has a typical “repeated training ef-fect”, i.e. within a certain period after recovery from SKSMD, the damage or delayed muscle ache caused by muscle repeating the same exercise is significantly reduced or alleviated. Therefore, in-depth study of it is conducive not only to guiding athletes to prevent SKSMD or negative effects brought by SKSMD, but also to further describing the proc-ess or mechanism for the body to adapt to exercise training. At present, the inducement mechanism of SKSMD is not clear; essentially various hypotheses can be reduced into the theory of mechanical damage and the theory of metabolic disorder. However, no matter which mechanism induced SKSMD, a lot of experimental results have proved that pro-found metabolic changes occurred in the process of SKSMD. Therefore, systematic study of SKSMD from the per-spective of metabolism will become an important direction in the study in this area.
Key words: sports science of human body；slight kinetic muscle damage；metabolic mechanism；metabolic reac-tion；overview