The purpose of this study was to examine the relationship between mental imagery ability and kinaesthesis between athlete and non-athlete females. The population included female students aged 8-11, 12-15 and 20-23 years old. The sample contained 20 athletes and 20 non-athletes in each age group (120 people) that were selected randomly. Data collection tools were vividness of movement imagery-2 questionnaire, chapmans handedness inventory, Bahrami's dominant-hand's angle accommodation test and

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... mographic questionnaire. The results showed that there was a significant and positive correlation between mental imagery ability and kinaesthesis error in female athletes and non-athletes of 12-15 and 20-23 years old groups. But this relationship was not significant in female athletes and non-athletes of 8-12 years old groups. On the other hand, the mental imagery ability could predict kinaesthesis error of athletes and non-athletes. According to the results, it is suggested that this structure would be used by psychological consultants and researchers in treatments and future studies.