Inflammation on the fibrous band of tissue which spans from The underside in the heel on the ball from the foot because of an overuse Treatment with earlier technology shockwave machines ended up also pretty painful, typically demanding nearby anesthesia. Achilles tendonitis can be an inflammation from the Achilles tendon https://www.theorthopaedicandpainpractice.com/why-does-the-back-of-my-heel-hurt/