The Analysis On Volleyball Back-fly Single-feet-attacking Effects And Placement Of The Chinese Female Volleyball Team

Back-fly single-feet-spiking technique is developing on the basis of the flying back smash technique, the Chinese female volleyball team used it for the first time in1982while there was a international game, it arouse the attention of the worldwide. Its technical characteristics and the effects of attacking is irreplaceable when contracting with the double feet jump spiking. As so far, back-fly single-feet-spiking technique is still one of the most widely used and the most effective means of scoring.This research on the related major international competition video of the Chinese female volleyball team from2011to2013with the method of the literature materials、image analysis、mathematical statistics and so on.The results showed that:(1) Back-fly single-feet-spiking has a outstanding effect and high success rate,if it cooperates with other tactical attacks, the effect is much better.(2) It presents a certain regularity on the offensive point.It At will form a relatively dense point in the4-8m district after field, and we have to point that it also has a concentrative trend between1and5region.(3) the most ideal spiking area on the Internet is the range froml.5to2.5m, higher or lower than this range,the effect will be far from our expects and the success rate of spiking will be reduced. For the characteristics of back-fly single-feet-spiking technique and the rule of the placement,I give the suggestion that strengthening defense cooperation,making correct judgments,doing the back yoke ahead of time.