12Muscular System: Injuries & Disorders Video. (n.d.). Retrieved April 18, 2020, from https://study.com/academy/lesson/muscular-system-injuries-disorders.html
13What Are the Symptoms of Tendinitis? (n.d.). Retrieved April 18, 2020, from https://www.webmd.com/fitness-exercise/understanding-tendinitis-symptoms
14Johnson, S. (2019, September 19). Shin Splints. Retrieved April 18, 2020, from https://www.healthline.com/health/shin-splints#symptoms
16Tendinitis. (n.d.). Retrieved April 20, 2020, from https://www.arthritis.org/diseases/tendinitis
15HSS Public & Patient Education. (2020, February 19). Tendonitis: Symptoms, Causes, and How You Can Treat or Prevent It. Retrieved April 20, 2020, from https://www.hss.edu/playbook/tendonitis-symptoms-causes-and-how-you-can-treat-or-prevent-it/