THE OPTIMAL KINEMATIC MODEL OF THE PERFORMANCE OF THE CLEAR HIP CIRCLE TO HANDSTAND ON THE UNEVEN BARS – A CASE STUDY Autori: Emilija Petković, Saša Veličković, Edvard Kolar, Ratko Stanković, Danijel Stanković Časopis: Facta Universitatis DOI: 10.22190/FUPES170314021P