Inflammation with the bursa guiding the heel is called Retrocalcaneal Bursitis. Repetitive pressure or friction over the back of your heel results in the bursa to swell leading to heel pain and tenderness, swelling and ankle stiffness. Typically affiliated with Achilles Tendonitis and Haglunds Deformity.   Ice. Right away use an https://www.theorthopaedicandpainpractice.com/the-definitive-guide-to-diagnosing-and-treating-ankle-pain-in-singapore/