Bolton, G, SJ Moss, M Sparks, and PC Venter. “Thoracic Posture, Shoulder Muscle Activation Patterns and Isokinetic Strength of Semi-Professional Rugby Union Players”. South African Journal of Sports Medicine 25, no. 1 (March 15, 2013): 12–17. Accessed May 3, 2024. https://journals.assaf.org.za/index.php/sajsm/article/view/386.