A. I. Cuesta-Vargas , Tran., “RELATIONSHIPS AND LEVEL OF CONTRIBUTION OF THE FUNCTIONAL VARIABLES IN THE CLINICAL PRESENTATION OF NON-SPECIFIC LOW BACK PAIN”, CDF, vol. 39, no. 2, pp. 08–15, Apr. 2010, Accessed: Sep. 13, 2025. [Online]. Available: https://cuestionesdefisioterapia.com/index.php/es/article/view/262