I MADE DEDY BAGUS ASTIKA; I GEDE ARYA SENA; NI MADE RININTA ADI PUTRI; DARYONO, Daryono. Perbaikan Fleksibilitas Otot Lumbal dengan William Flexion Exercise pada Pengrajin Perak. Jurnal Olahraga dan Kesehatan Indonesia (JOKI), [S. l.], v. 6, n. 2, p. 163–169, 2025. DOI: 10.55081/joki.v6i2.4550. Disponível em: https://jurnal.stokbinaguna.ac.id/index.php/JOK/article/view/4550. Acesso em: 22 sep. 2026.