Medeiros F da S, Sedrez JA, do Amaral MA, Candotti CT. Relation between spine angles, po sterior chain flexibility and back pain whih jiu-jitsu gradation. R. Bras. Ci. e Mov. [Internet]. 2019 May 11 [cited 2026 Oct. 13];27(1):62-9. Available from: https://portalrevistas.ucb.br/index.php/rbcm/article/view/7956