A corn is a buildup of dead skin on the top of a toe, at the end of a toe or in between the toes. Corns develop as a result of excess pressure, either pressure from shoes or from the other toes. The most common place for a corn to develop is on the top of a hammertoe. Unequal pull from the tendons in the foot and leg can cause hammertoes to develop. This unequal pull is usually the result of an abnormal foot position or abnormal motion in the foot. As the toes pull up and the tips of the toes curl down, this creates an unusual toe position and results in excessive rub on the toes.Continue Reading »