Studies Of The Impact After Taekwondo Electronic Helmet Use Tactics For The Head Of Man

2016 Rio Olympics is taekwondo electronic helmet was used for the first time in Olympic history,the 2012 Olympics in London using the helmet for ordinary helmet,no induction,this paper USES the video observation,documentary,logic analysis,selected in 2012 and 2016,two Olympic Games man at all levels before two called the research object,by comparing the two Olympic Games man blow head after the use of tactics to get electronic helmet use man blow head of the change of each index,and tactics of summarize its regularity.Studies have shown thatThe electronic protection head still has its limits.The position of the facial chin is unresponsive and the electronic protection device is fragile.After the use of electronic head protection,the number of use of the head and leg method increased sharply,the head scores became more,but the success rate was not very high.The maximum number of USES of the 3-pointer technique is far higher than the number of use of the four-pointer.In each game,the number of hits is not too different,but the scoring changes are clear,and the third inning is the most successful.Light kilogram level 2,the game players hit head score more,blow head use more kicks,and the success rate is high,the use of electronic helmet use under the front leg split blow head after the game most times,the change of the London 2012 Olympics is bigger,the main blow head self change,front leg hit head more than hind legs,because of its offensive closer,easy to start,first time.3,nearly three kinds of attack in the far distance,use up close shot,perimeter blow head use times,at least over a long distance,because long distance attack by time is too long,big start action,easy blocking by your competitors;In the tactical use of various offensive and defensive tactics,the players' offensive and defensive play is more reasonable,both offensive and defensively,as well as defensive counterattack and so on.4,the use of electronic helmet makes the use of video review fewer,the content of the video review also becomes relatively simple,relatively concentrated,most of the content of the video review review for facial blow on the head,and the success rate is very high,apply for video review of coaches on the consideration of content are not deterministic,or for other purposes,video review also makes the game more smoothly complete,reduces the game of man-made factors,increase the fairness of the game.