The plantar fascia can become irritated and inflamed when subjected to abnormal strain, resulting in irritation and pain, commonly felt during the heel. Surgical procedures for heel spur removing are generally minimally invasive, involving smaller incisions and specialised instruments to get rid of the heel bone spur for the heel. https://www.theorthopaedicandpainpractice.com/why-is-the-bottom-of-my-heel-painful/