TITLE: Analysis of variability and difficulty of elements in sports aerobics performances- seniors women (European championship 2014, 2017, 2019) AUTHOR: Bc. Tereza Čadová DEPARTMENT: Department of physical education SUPERVISOR: PaedDr. Jana Hájková ABSTRACT: The main aim of this diploma work was to analyse sports aerobic¨s choreographies regarding the difficulty, variability and comparing the results. The analysis focused on the final choreographies of the six best women contestants in the Europe's Championship in 2014, 2017 and 2019 using the observant, analysis and result comparison method. This analysis followed criteria which was given in advance. In the conclusion the analysis results are defined anh show that the choreographies hasn't improved technically in the along the analysed years. KEYWORDS: Sports aerobics, technical index, variability, analysis, elemenst of difficulty