It was shown that the ground touching cross step techniques could reduce the time for the right leg surrorting the body and quicken the touching ground of the left foot, so that during the last stage the result of double supporting would be better.

• 结果表明，扒地式交叉步技术能有效的减少右脚单支撑的时间，促进左腿尽快着地，使最后用力进入双支撑用力阶段的效果更加突出，更有利于提高运动成绩。