Inflammation from the Achilles tendon (Achilles tendinopathy) can result in pain behind the ankle, happening towards the back in the heel. This can be a bone spur from arthritis. It also may be a Haglund's deformity attributable to putting on sick-fitting sneakers. The expansion may possibly rub to the Achilles https://specialistsphere.com/foot-and-ankle-pain-explained-common-conditions-diagnosis-and-effective-treatments/