Comparative Study About The Effect Of The Top Four Women's Covering Attack In 29 Olympic Games

With the development of volleyball, even more offensive and defensive highlights the contradictions, the contradictions more strongly reflected in the deduction and the bar, on-line to become the focus of the teams competing. Tall block development and team-based, physical enhancements to intercept the ball in play and check back the growing number of attacks the offensive initiative in the case of control is also under enormous pressure, so we must attack the while strengthening barrier to protect the ball back for the protection of another attack after the creation of favorable conditions.This article twenty-ninth Olympic Games women's volleyball competition the top four teams (Brazil, the United States, China, Cuba) the protection of competition in the offensive part of Spike and continued as a research object, the research method used the method of literature, expert interviews , video observation statistics and logical analysis of four ways.This article explores the world of Chinese women's volleyball and spike protection and other strong teams in the area continued attacking the status and effectiveness of statistical analysis, reveals the cause of the gap. Security attack based on the characteristics of the concept proposed renewal of attack, and described. Were analyzed at the same time the Chinese women's volleyball and Brazil, the United States, Cuba women's volleyball in the first attack, counter-offensive lineup and the protection of the protective effects of the Chinese Women Team and Brazil, the United States, the Cuban women's volleyball Attack, counterattack continued to attack the process and effect of law . The main conclusions are as follows:1. four teams in the competition part of the protection of spiking more than using the "3,2" "2,2,1" "horseshoe" protected lineup.2. Protection of turnovers per game than the United States and China. This is a strong break in Brazil and Cuba are closely linked blocking ability. Attack of the continued attack on a part of each team will play storm as a major offensive, attacking the Chinese team scored the lowest, only 31.8%, fully embodies the Chinese team storm is not strong.3. spike protection in the course of counterattack, with the exception of protection when the Chinese team counterattack failure rate was significantly higher than an attack when the failure rate of protection (54.5% when the first attack, counter-attack of 61.5%). This fully reflects the slow pace of the Chinese team offense and defense conversion, players step is not flexible to protect the poor awareness. Chinese team in the counter-attack part of storm continued scoring 45.5%, higher than an attack when the attack resumed session (31.8%) of the storm the scoring rate. This phenomenon of instability with the Chinese team to play a main attack has a necessary connection.4. attack and counterattack in a part of continued attack, four teams are used to the fast-break play, including Cuba and Brazil, fast-break tactics to be successful. Chinese team in the offensive attack continued links, fast-break score was only 25%. Cuba for its "four, two" with the lineup, the network can better contain the block before the second half lob pass in front of a high success rate; the Chinese team tactics and more concentrated in the fast break on the 2nd position, offensive point too a single, easy opponents block, which is the main reason causing the low fast-break points.