Fritz, Nicole B., Javier Gene-Morales, Angel Saez-Berlanga, Alvaro Juesas, Jorge Flandez, and Juan C. Colado. “Resistance Training for Chronic Low Back Pain in the Elderly: A Systematic Review”. Journal of Human Sport and Exercise 16, no. 3proc (September 1, 2021): S1506-S1520. Accessed May 3, 2024. https://www.jhse.ua.es/article/view/2021-v16-n3-proc-resistance-training-chronic-low-back-pain-elder.