Hammer cage plane designs in track and field competition rules and in track and field facility pamphlet are different while the data are the same.

With the application of electrical net information technology in track and field competition especially in timing,traditional manpower timing and outdated film camera timing system have been replaced by high intelligent,digital electronic timing net system.

A brief discussion on the creation of new gymnastics skills and the change of competition rules;

This paper probes that the development of competition rule roughly goes through 4 stages,namely the stage of established by usage,regionalization,internationalization and globalization.

Changes of basketball contest rule system

In recent years,the Tae Kwon Do contest rule has been carried out a big revision.

It suggests improving the present martial arts routine contest rule,and increasing the athletes difficulty movement to combine position and the content choice,which appears to be more reasonable in the routine and increases the routine view and difficu.

Trend of development of competition rules for racket games;

Prediction of the development of competition rules for some sports events

Effects of the evolution of Wushu routine competition rules on the objectivity of competition judgment

We found that the World Table-tennis Union has continually reformed the competition regulations to adapt to the development of Table-tennis since the first World Table-tennis Championships held in the December of 1926.

We found that the World Table - tennis Union has continually reforming the competition regulations as to adapt the development of Table-tennis sport since the first World Table-tennis Championships held in the December of 1926.