A calcaneal spur, commonly known as a heel spur, is a bony outgrowth on the underside of the heel bone (calcaneus). This condition is often associated with plantar fasciitis, which is the inflammation of the plantar fascia—the connective tissue running along the bottom of the foot. Heel spurs can cause heel pain and make walking or standing uncomfortable. ???? Causes of Calcaneal S... https://www.mayurahospitals.com/diseases/orthopedics/calcaneal-spur/