Comparative Analysis On The Application Effect Of The Chinese And Foreign Outstanding Women’s Volleyball Libero

In 1999, the rehearsal in the rule set up own defender, which marks the volleyball offensive and defensive transit efficiency has been an unprecedented increase, also make more coaches and researchers to update the research field of vision, will attack the key transfer to free training and selection. Through a large number of data analysis found that the free man’s receiving and defense effect is better than other professional players, which is a free man with a symmetrical figure, mobile flexible selection of material is closely related. According to their own team conditions and offensive and defensive systems training of free men and training ways.In this study, through literature, video analysis, mathematical statistics and logical analysis method of the free people of all countries in 2012-2015 year important events of the technical and tactical application effect analysis, free people in four attacks system technology using were compared to free people receiving formation, defensive formation, the free man in attack and tactics of free two person use comparative analysis, draw the following conclusions:Four,1 attack system in the use of different types of free people are not the same, Chinese and foreign free people in some of the different indicators of the technical differences. There are differences between Chinese and foreign free men on the ground to jump serve and jump ball.2 countries, according to their own conditions and team players use different tactics serve different formation. The annual event in different countries receiving different formations. Two main plus free formations and main plus free people connected by serving a relatively wide range of formation. Two kinds of formation mixed use fewer teams, but can increase the defense range free, more rounds arrangement in 6th position in defence.3, states were constructed based on ″free man″as the core of the defensive formation, different countries free air defense punctual stations and the goal placement is not the same, different point of attack for the stations are not the same. Foreign free people are different in the cover of the ball fast break.4, the number of free people to participate in the organization of the attack more and more, the number of participating organizations to attack the allocation of the ball more than ever before, the allocation of free people in different countries different habits.5, the free man in attack organization with increasing frequency, to participate in organized ball attack distribution route than the previous increase. Different countries free distribution of the ball and habits are different, the freedom of people involved in the organization attack is docking should be setter has the best release theory 5 attack new offensive tactical system worth probe.