Calcaneal fracture. Radiopaedia.org. (accessed 31st of December, 2014) C. C Young, MD. Plantar Fasciitis. WebMD LLC. (accessed 31st of December, 2014) Illustrators: Calcaneus (inferior view) - Liene Znotina Calcaneal sulcus (superior view) - Samantha Zimmerman Achilles tendon (medial view) ...