Session rating of perceived exertion as an assessment tool for internal training load in brazilian jiu-jitsu: a systematic review and metaanalysis. - Nascimento de Carvalho, Gustavo; Valenzuela Pérez, Diego Ignacio; Guimarães Teixeira, Felipe; de Albuquerque Maurício, Clovis; Ferreira Gonçalves, Ale; Aedo-Muñoz, Esteban; Brito, Ciro José; Miarka, Bianca (Retos: Nuevas Perspectivas de Educación Física, Deporte y Recreación, 2025)