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The aim of this study is to determine and compare the rate of use of body movement difficulties and elements with or without back band of the trunk or large hip extension of gymnasts who participated in the 1^st Junior’s Rhythmic Gymnastics World Championship-2019. A total of 244 routines of 136 individual rhythmic gymnasts were analysed. Analyses were made on rope, ball, clubs and ribbon apparatus, each consisting of 61 series. All body movement difficulties were determined according to their type (with or without back band of the trunk or large hip extension with trunk), overall repetition numbers and repetition numbers for each apparatus. The hyperextension group elements were also identified from the pre-acrobatic group or body waves. The hyperextension group elements, and total of number of elements and body difficulties together with hyperextension were significantly higher (with very large effect size …