Martin, Endang Ambarwati, Rahmi Isma AP. Comparison of Lumbar Stabilization Exercise and Flexibility Exercise on Lumbal Flexibility in Chronic Mechanical Lower Back Pain (Study on Online Motorcycle Drivers). IndoJPMR [Internet]. 2024Jun.27 [cited 2026Jan.17];13(01):1 -9. Available from: https://www.indojournalpmr.org/IndoJPMR/article/view/378