Anoshina T.V., Tsinis A.V., Fedotov D.M., and Shiryaeva T.P. “FORMATION OF STRENGTH ENDURANCE OF THE ABDOMEN AND BACK MUSCLES IN GIRLS WITH DEGREE I SCOLIOSIS USING FITBALL-GYMNASTICS”. Theory and Practice of Physical Culture, no. 10 (October 18, 2023): 50–52. Accessed February 2, 2025. http://tpf1610220.nichost.ru/index.php/TPPC/article/view/658.