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随排球运动员身材高大化和身体素质的提高,使排球运动在技、战术水平不断完善的基础上,进攻的速度越来越快,力量越来越大,这使防守承受的压力也越来越大。在排球规则的演变中,曾用标志带、标志竿限制进攻区域,以缩小防守的范围;用减少球的气压来降低球速;由球不得触及髋以下部位改为球可以触及膝上部位,以及在接发球和扣球时对持球尺度的放宽等这一系列改变,都是向着有利于防守一方倾斜。然而,随徘球运动水平的不断提高,防守的难度也越来越大。为减少防守的压力和难度,使比赛更加精彩,国际排联于1994年9月在希腊的雅典对1993年至1996年的排球竞赛规则进行了修改,将其中膝以上的身体部位允许触球改为“身体任何部位都可
With the volleyball players tall and physical fitness to improve the volleyball movement in technical and tactical standards on the basis of continuous improvement, attack faster and faster, more and more strength, which makes the pressure on the defense also more and more Big. In the evolution of volleyball rules, the use of signs, markers have restricted the offensive area, in order to reduce the scope of defense; to reduce the pressure of the ball to reduce the ball speed; from the ball can not touch the following parts of the hip can be changed to the ball can reach the knee, and In receiving the ball and spike the ball on the scale of the relaxation of this series of changes, are inclined to favor the defensive side. However, with the continuous improvement of hockey, defense is also more and more difficult. In order to reduce the pressure and difficulty of defense and make the competition even more exciting, the FIVB’s volleyball competition rules from 1993 to 1996 were revised in September 1994 in Athens, Greece. For ”any part of the body can be