Heel spurs are small calcium deposits that form on the underside of your heel bone; they build up over time, and many people never experience any symptoms. Others notice sharp pain with each step, especially first thing in the morning. Knowing how these bony growths develop helps you spot the habits behind your discomfort. Here are some of the causes of this condition: Excessive Pressure Repeated force on your heel contributes to heel spurs. When you land hard on your feet day after day, the strain adds up. Your body responds by laying down extra bone, and that buildup becomes