Active Strecthing Back Statis : Solusi Latihan Kelenturan Punggung Atlet Voli. Jurnal Olahraga Indragiri, [S. l.], v. 9, n. 2, p. 99–110, 2025. DOI: 10.61672/joi.v9i2.2980. Disponível em: https://ejournal-fkip.unisi.ac.id/joi/article/view/2980. Acesso em: 6 nov. 2025.