Inflammation of the bursa behind the heel is known as Retrocalcaneal Bursitis. Repetitive stress or friction more than the again of the heel causes the bursa to swell resulting in heel pain and tenderness, swelling and ankle stiffness. Often affiliated with Achilles Tendonitis and Haglunds Deformity.   Ankle sprains can be https://www.theorthopaedicandpainpractice.com/the-definitive-guide-to-diagnosing-and-treating-ankle-pain-in-singapore/