Inflammation with the bursa guiding the heel is named Retrocalcaneal Bursitis. Repetitive stress or friction over the again in the heel leads to the bursa to swell causing heel pain and tenderness, swelling and ankle stiffness. Typically linked to Achilles Tendonitis and Haglunds Deformity.   Use ice or cold packs on https://www.theorthopaedicandpainpractice.com/the-definitive-guide-to-diagnosing-and-treating-ankle-pain-in-singapore/