Do you constantly feel a stabbing pain in the bottom of your foot near the heel? It could be plantar fasciitis a common foot condition that happens when the plantar fascia ligaments in your feet become damaged and inflamed. The plantar fascia is a thick band of tissue that connects your heel to the front of your foot (toes) and acts as shock absorbers. Plantar fasciitis is more common in runners and those who are on their feet a lot. People who are overweight have flat feet and high arches are also more likely to suffer from this foot condition.