Phillips, Brett, Kim Buchholtz, and Theresa L Burgess. “Gastrocnemius Muscle Architecture in Distance Runners With and Without Achilles Tendinopathy”. South African Journal of Sports Medicine 34, no. 1 (April 13, 2022). Accessed June 13, 2024. https://journals.assaf.org.za/index.php/sajsm/article/view/12576.