When a foot bone is exposed to constant stress, calcium deposits build up on the bottom of the heel bone. Repeated damage can cause these deposits to pile up on each other, causing a spur-shaped deformity, called a heel spur.
When a foot bone is exposed to constant stress, calcium deposits build up on the bottom of the heel bone. Repeated damage can cause these deposits to pile up on each other, causing a spur-shaped deformity, called a heel spur.