| With the progress of society,women's competitive gymnastics is also constantly moving forward.As one of the competitive gymnastics events,women's floor exercise is also developing day by day.Women's floor exercise was established as a competitive gymnastics event in the 1950 Olympic Games.At the same time,the rules of women's floor exercise competition were introduced one after another.After the closing of each Olympic Games,the rules were supplemented and revised properly.By constantly updating and altermating,the scoring rules of women's floor exercise in 2017-2020 edition were gradually improved and concrete.The women's floor exercises in the 47th and 48th World Championships are the competition under the new rules in 2017.Therefore,this paper uses the methods of documentation,video observation,video analysis,logical analysis and statistical analysis to study the 15 sets of movements of the top eight women's floor exercises finalists in the 47th and 48th World Championships(due to the 47th women's floor exercises competition).Ferrari,an Italian athlete,was accidentally injured,so his movements were not included in the statistics.The purpose of this study was to explore the characteristics and rules of the arrangement of female floor exercises in the two World Championships in order to change the traditional training concept and provide reference for the preparation of Chinese women's floor exercises for the Olympic cycle.The results show that the structure of floor exercises in the two World Championships tends to be 4:4(i.e.4 acrobatic movements and 4 gymnastic movements).At present,the basic trend of female floor exercises in the world is that the proportion of acrobatic movements and gymnastic movements is 53.4%and 46.6%,respectively.The proportion of forward and backward flips is 14.2%,39.2%,and the proportion of jump and turn is 35.8%and 10.8%.The D-scores of women's floor exercises in the two World Championships showed an upward trend;the single flip technique was the main content of the arrangement,and the most difficult group Ⅰ was the back flip technique,whose value was 0.9 points;in gymnastics,the main content was the turning and jumping steps of group C and above;in the arrangement of the complete set of movements,the following characteristics were shown:(1)the opening series.Flipping or flipping strings with single difficulty skills are mainly used.(2)The middle strings are connected by flipping movements with more difficulty than group D to form connection strings with connection value.(3)The choice of ending strings tends to be more difficult and less difficult than group D,while the number of people who use more difficult skills than group D is less. |
