,it made an epidemiologic investigation and analysis of sports injury of badminton elite.

Psychological stress of university badminton athletes;

Lumbar spondylolysis,a common injure in badminton athlete,greatly obstructs maintaining and enhancing athletes competitive levels.

By means of literature,expert interview and videotapes observation,the paper analyzes many kinds of psychological factors in the badminton players competition,and puts forward the general principles in psychological training.

As young badminton players are in a course of laying skill foundation, we should attach importance to the research of gait training and adjust training arrangement.

We aim at offering references for the badminton players to obtain the best competitive conditions.

18 professional badminton players and 16 college students are selected and the paper takes the film-based simulation and reaction time as processing target which much more reflect perceptual character of badminton players,and makes experimental research on performance of training for perceptual motor-skills under the situation of badminton.

This paper makes a bio-mechanics analysis and research about the moving section and shot speed and rhythm of Chinese excellent shot put athletes when the putting movement is in the transition phase.

Using the methods of literature,interviews,it did research on the inducing factors of tennis elites easy psychological status and their controllability.