Br Ginting, E.J. et al. 2025. Literature Review: The Role of Yoga Exercises and William Flexion Exercise on Muscle Activation and Lumbar Stability in Chronic Low Back Pain. KESANS : International Journal of Health and Science. 5, 3 (Dec. 2025), 387–410. DOI:https://doi.org/10.54543/kesans.v5i3.503.