| Under the background of competitive sports,volleyball increasingly simplification of technical and tactical characteristics, advances increasingly unbalanced condition, in order to change the situation of volleyball competition attack keep strong weak, enhance the level of antagonism and intense and improve volleyball sports participation and attention, since 1999, the international rehearsing officially decided to implement some new rules in the game, including set up free defenders and rally point system.the importance.Free agent in the receiving and defense links in the core position of volleyball, therefore, the women’s volleyball team to free men in the game is to apply special attention.With the constant improvement of libero rules, the teams have realized the importance of free for the game, so countries are actively exploring excellent free men, and free people receiving and defensive core formulate corresponding receiving and defence of the system.In Asia, Thailand, South Korea and Japan women’s volleyball team has been very good at free, this research is mainly to the Asian women’s volleyball championship in 2013 and 2014, two major world grand prix women’s volleyball tournament of video, a total of 11 bureau of 43 games technical statistics, using the method of literature, video statistics, mathematical statistics, comparative analysis of China, Japan and South Korea, Thailand women’s volleyball technical and tactical characteristics of free men, for the Chinese women’s volleyball team provide feasibility reference and Suggestions with respect to the free use, the main research conclusions are as follows:1. Receiving effect, serve way affect free return effect, different receiving free receiving effect different area.In addition, the Korean women’s volleyball libero hae-ran Kim and Thailand women’s volleyball team free person receiving in place of Mr Nath skin effect is superior to all other main players, and free to use frequency is relative taller;Chinese women’s volleyball libero DanNa Shan and Zhan Chen receiving effect HuiReQi slightly difference in the team players in position, two free men in the number of receiving the application of relatively low, DanNa Shan receiving errors is higher;Japanese women’s volleyball team’s main players receiving frequency is low, its receiving must be higher than that of free.2. Effect of defensive aspect, DanNa Shandefending their heavy spike effect is best, more Zhan Chen protester error prevention;Zhan Chen defending their block back to the best effect, DanNa Shan error is;Tsutsui sand "incense defending their drop spike the ball the best effect, the protester more mistakes;Kim hae-ran defense heavy spike must be low;Mr. Nutter defensive low drop spike the ball turnovers.3. The free role, China, Japan, Korea, Thailand women’s volleyball libero in participating in the distribution of the ball more for group 4, 2, a storm is given priority to, the 3 fast attack tactics is complementary, distribution of the rear fewer.Adjust the distribution of women’s free ball way complied with in today’s world outstanding women’s volleyball team is given priority to with storm, fast development trend of the change of attack is complementary, its role in the tactical system is self-evident.4. The receiving system,, Thailand women’s volleyball team in the receiving system by using the matching degree between the receiving player and stability of receiving the demand is higher, free you will need to adapt to cooperate with many players, to avoid the phenomenon such as "let the ball" "ball".South Korean women’s volleyball team receiving system is free for the core of the embodiment of the receiving system.Defensive formations, women with double block under the "follow up" defensive formation, and women are given priority to with "death with", other forms of defense is complementary.5. After repeated watching video and analysis data, Asia the receiving must be free of the women volleyball should be around 70% to 90%, defend the ball must be around 40% to 50%. |
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