The aim of this study was to extend the knowledge about the influence of strength and endurance circuit training intervention on body image of the female high school students. Our hypothesis was: The objectively and subjectively measured body image among the 16 – 17 years old females will be significantly improved after the participation in 6-week strength and endurance circuit training. We used experiment with 2 groups from 2nd class from the secondary school: experimental (intervention) group consists of 15 female students (