Research on Chinese National Football Team's Defensive Techniques and Tactics in World Youth Championship of Football in 2005

According to the defensive patterns of the World Youth Championship of Football in 2005,the individual defensive actions on the matches are divided into four sorts of statistical indexes,which are picking off,challenging,scramble of heading,slide tackle for the ball.The results indicate that the techniques and tactics in defending revolve round the compact defense system,showing the characteristics of compactness.Picking off becomes the most important individual defensive technique.After the protect cover of the compact defense has been formed,in part of the zone several defenders cooperate each other to stop up the player in possession and challenge for the ball.That is the girding pluck,a sort of group defensive actions.In different zones,for example,the front field,the middle field and the back field,defensive actions appears to have different tactical purposes.The important idea of each team in defending is to strengthen the defensive effects by compactness and initiative of defensive actions.