Semenov, Denis, Vyacheslav Shlyakhtov, and Aleksandr Rumyantsev. “Kinematic Analysis of ‘Russian’ Circles in Gymnastics”. Scientific Journal of Sport and Performance 1, no. 4 (November 15, 2022): 385–390. Accessed April 29, 2024. https://sjsp.aearedo.es/index.php/sjsp/article/view/kinematic-analysis-russian-circles-gymnastics.