The Achilles tendon is really a fibrous tissue that connects the calf muscle mass to your heel bone. It causes swelling and stiffness while in the back on the heel. Sharp Pain: Frequent in Plantar Fasciitis, this pain is worst each morning following relaxation, as being the plantar fascia tightens https://www.theorthopaedicandpainpractice.com/why-does-the-back-of-my-heel-hurt/