Zurita-Ortega, Félix, Rubén Fernández-García, Mar Cepero, María Luisa Zagalaz-Sánchez, Matías Valverde-Cepeda, and Patricia Ramírez-Domínguez. “The Relationship Between Pain and Physical Activity in Older Adults That Begin a Program of Physical Activity”. Journal of Human Sport and Exercise 4, no. 3 (October 5, 2009): 284–297. Accessed April 25, 2024. https://www.jhse.ua.es/article/view/2009-v4-n3-the-relationship-between-pain-and-physical-activity-i.