Haglund’s syndrome includes a painful swelling of an inflamed retrocalcaneal bursa (a small fluid stuffed sac Situated at the back of the heel), often coupled with the degeneration on the fibers with the Achilles tendon immediately at its insertion into your heel bone (insertional tendinopathy in the Achilles tendon). In https://www.theorthopaedicandpainpractice.com/what-are-spurs-on-the-foot/