Heel pain is one of the most common complaints of patients with foot and ankle disorders. The pain commonly occurs at the undersurface of the foot called the plantar surface or at the back surface of the heel.
Plantar fasciitis can cause intense heel pain. Plantar fasciitis (PLAN-tur fas-e-I-tis) is one of the most common causes of heel pain. It involves inflammation of a thick band of tissue that runs across the bottom of your foot and connects your heel bone to your toes (plantar fascia).
Plantar fasciitis: Plantar fasciitis is by far the leading cause of heel pain. It occurs when the fascia, connective tissue that runs along the bottom (plantar surface) of the foot, tears or stretches. People who run and jump a lot are more likely to develop this painful condition.