Warning: file_get_contents(https://ojs.journalbusiness.my/ojs.php): failed to open stream: HTTP request failed! HTTP/1.1 404 Not Found in /var/www/ojs.unud.ac.id_backup/lib/pkp/includes/functions.inc.php on line 4 PRAMITA, Indah; PANGKAHILA, Alex; -, Sugijanto. CORE STABILITY EXERCISE LEBIH BAIK MENINGKATKAN AKTIVITAS FUNGSIONAL DARI PADA WILLIAM’S FLEXION EXCERCISE PADA PASIEN NYERI PUNGGUNG BAWAH MIOGENIK. Sport and Fitness Journal, [S.l.], jan. 2015. ISSN 2654-9182. Available at: <https://ojs.unud.ac.id/index.php/sport/article/view/11871>. Date accessed: 06 sep. 2026.