Gastrocnemius. (n.d.). Retrieved from Floota website: http://www.floota.com/images/calf%20anatomy.jpg
Gastrocnemius. (n.d.). Retrieved from Muscles website: http://www.exrx.net/Muscles/Gastrocnemius.html
Calf Raises. (n.d.). Retrieved from Fitness and Defense website: http://fitnessanddefense.com/wp-content/uploads/2011/04/213_fig1.gif
Gastrocnemius. (n.d.). Retrieved from Muscles website: http://www.exrx.net/Muscles/Gastrocnemius.html
Calf Raises. (n.d.). Retrieved from Fitness and Defense website: http://fitnessanddefense.com/wp-content/uploads/2011/04/213_fig1.gif