Reilly, Donald T., and Marc Martens. “Experimental Analysis of the Quadriceps Muscle Force and Patello-Femoral Joint Reaction Force for Various Activities”. Acta Orthopaedica 43, no. 2 (January 1, 1972): 126–137. Accessed May 17, 2026. https://actaorthop.org/actao/article/view/29794.