PREVALANCE OF FLATFOOT DEFORMITY IN BOYS DEPENDING ON THEIR AGE 8. studenoga 2017.15. prosinca 2019. | nikola Ilona Mihajlović ¹, Ivan Tončev ¹and Ivica Hmjelovjec ² ¹Faculty of Physical Education and Sport, University of Novi Sad, Serbia ²Faculty of Sport and Physical Education, University of Sarajevo, Bosnia & Herzegovina