运用文献资料法、录像观察法、数理统计法对2008年世界健美操锦标赛混合双人决赛的难度动作进行分析研究。结果表明:各个国家在比赛中难度动作选择的分值、组别、类别差异不显著;我国运动员采用了3个难度动作组合,在这方面占有优势,但是难度动作的完成率仅达到88.8%,前五名国家的平均完成率就达到95.92%,与其相差甚远。 Using the methods of literature, video observation and mathematical statistics to analyze the difficulty movements of the 2008 World Aerobics Championships mixed double finals. The results show that there are no significant differences in scores, groups and categories between countries in the selection of difficult movements. Chinese athletes have adopted three combinations of difficult movements, which have advantages in this respect. However, the completion rate of difficult movements is only 88.8% The average completion rate of the top five countries reached 95.92%, far from it.