Inclusion Criteria:  Being between the ages of 7-17 years Volunteer Does not have any cognitive, mental and psychological problems, Does not have any systemic diseases such as rheumatoid arthritis, Does not have any neurological problems, Additionally, the criteria for the ballet dancers included more than 1 years of ballet experience, and for sedentary they included no experience in competitive sport or activity.  Exclusion Criteria:  Having severe neurological, visual and auditory problems that may prevent the application of assessment parameters Children and their families who cannot obtain written consent from their families. Having communication problems