References cited The following articles/books are references cited in this activity: Thoma, L. M., Grindem, H., Logerstedt, D., Axe, M., Engebretsen, L., Risberg, M. A., & Snyder-Mackler, L. (2019). Coper classification early after ACL rupture changes with progressive neuromuscular and strength training and is associated with two-year success: The Delaware-Oslo ACL Cohort Study. The American journal of sports medicine ,  47 (4), 807. DOI: 10.1177/0363546519825500 . Any 3D renderings or animations in this activity were created using Blender . All anatomical data used to make the kit and activities are from: National Library of Medicine. (1995–). The Visible Human Project  [Digital Data Set]. Bethesda, MD: National Institutes of Health.   https://www.nlm.nih.gov/research/visible/visible_human.html .