Study On The Win Features And Develop Trend Of The Man Judo In 73 And 81Kg Categories In The 04 And 08 Olympic Games

In order to find out the win characteristics of the skills and its develop trend in the 73kg and 81kg male judo in the modern Olympic Games, used the methods of literature reference, experts interviews, videos analysis and statistics analysis to do the study on the first three(totally 16 Judokas) athletes in 73kg and 81kg in 2004 and 2008 modern Olympic Game, through observing and analysis on 56 matches videos try to find out the win characteristics and its possible develop trend of the skills. The mainly research results of this study are as follows:1) In the overall level, the 73 and 81 kilos categories in 2008 Olympic Game, the use frequency of most of the hand techniques, hip techniques, foot/leg techniques, sutemi-waza and groundwork was increased, this indicated an up trend of the attack motivation; the success rate of the technique use also increased, this showed that the stability of the techniques use was raised further more.2) In 2004 and 2008 Olympic Game of the first three judokas in 73 kilos categories, no matter what kind of the techniques, both their types and percentage indicated that the main techniques are open to the trend of diversified development.3) In 2004 and 2008 Olympic Game of the first three judokas in 73 kilos categories, no matter what kind of the techniques, the use percentage of the main techniques was decreased, but the types developed diversity, this shows that the comprehensive development of the techniques was a important develop trend in this categories.4) The 73 kilos categories of the 2008 Olympic Games, the success number of the tachi-waza and ne-waza was increased, in which the tachi-waza increased from 8 to 9 types and ne-waza increased form 2 to 4 types, meanwhile the success rate of the main tachi-waza techniques was in creased too.