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一、前沿随着现代足球技战术水平以及足球运动员体能的不断提高,足球比赛中对时空的争夺更加激烈,对抗更加凶狠。抗争的激烈使攻方创造射门得分的机会、进球得分的难度加大。在这种情况,定位球常常是开启胜利之门的钥匙。国际足联技术报告多次提到世界杯比赛中有1/3的进球与任意球有着直接或间接的关系,因此各国都非常重视任意球的攻防训练[1]。“人墙”是足球比赛中特有的防守环节,是干扰罚球队员,增强防守效果,制造进攻困难的必须
First, the forefront With the level of modern football skills and football players continue to improve physical fitness, soccer competition more intense competition in time and space, confrontation even more fierce. The fierce battle so that the offensive goal to create a shot, scoring more difficult. In this case, positioning the ball is often the key to open the door to victory. FIFA technical report on many occasions that the World Cup 1/3 of the goals and free kicks have a direct or indirect relationship, so all countries attach great importance to free-kick offense and defense training [1]. “Human Wall ” is a unique defensive link in football matches, it is necessary to disrupt the free throw team, enhance the defensive effect, and create the offensive difficulty