Research On Body Difficulty Movement Of Rhythmic Gymnastics Group Event

Rhythmic gymnastics is a highly aesthetic Olympic competition event that combines physical technique and art,and is divided into group event and individual events.In recent years,China’s group events(RGG),as its key training project,have achieved excellent results in international competitions,especially in the 2008 Beijing Olympic Games,in which the China team won the Group exercise all-around silver medal with an absolutely outstanding performance.According to the 2017 version of code of points,the group exercises difficulty is divided into five categories,which is(BD),(ED),(C),(S),and(R).In group exercises,the body difficulties(BD)not only reflect the overall quality of the team,but also demonstrate the gymnasts’ physical technical capabilities.Therefore,to increase the competitiveness and the potential to obtain a higher score,enhancing the ability of each gymnast,which contributes to the improvement of overall technical level,is a key factor.1.There is a clear gap between the total value of body difficulties in China’s group exercises when compared to international elite teams.Among them,the value of body difficulty of 5 Balls and 3 hoops 4 clubs routines was 1.20 points and 2.20 points lower than foreign elite teams respectively.As for the total score,the 5 balls and 3 hoops 4 clubs routines are lower than the excellent foreign teams by 0.15 and0.275 points,respectively.The total score of both routines of China team has more than 1 to 2 score difference from the foreign teams.2.75%-88% of outstanding foreign teams contained 4 body difficulties in their routines and only 12%-25% contained 5 body difficulties.3.Among all body difficulties,balance difficulty has the highest proportion of the use for both domestic and foreign teams,accounting for more than 41-52% of the total body difficulty and about 39-51% of score value of the whole routine.It is the most preferred body difficulty type for group exercise.4.In terms of the combination of body difficulty and apparatus handling,China’s5 Ball routine is not comprehensive.It lacks the use of the fundamental apparatus handling elements including(?)(catch with single hand)and(?)(large roll with minimum 2 body parts).Yet,in 3 hoops and 4 clubs,China team showcases a diverse variety in apparatus handling as there are higher number of and more comprehensive apparatus elements.The elite foreign teams’ 3 hoops and 4 clubs lack the windmill(?)-a fundamental apparatus element of clubs routines.5.Among the fourteen formations in which body difficulties are performed,stationary formation is 5.13 times that of the mobile formations.The(?)(one point in the middle)formation is used up to 39 times.This reflects that the stationary(?)(one point in the middle)formation is the most preferred formation used in group exercises.