Bone spurs or pain close to the lower A part of the tendon behind your heel (insertional tendinitis) Bone spurs: Sometimes, Achilles tendonitis comes about every time a bony growth develops about the heel or calcaneus bone in the back of the ankle. Summary Tendonitis is common among the athletes https://specialistsphere.com/foot-and-ankle-pain-explained-common-conditions-diagnosis-and-effective-treatments/