What is plantar fasciitis? Plantar fasciitis is an inflammation of the fibrous tissue (plantar fascia) along the bottom of your foot that connects your heel bone to your toes. 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 commonly causes a stabbing… [Read More]