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 each foot and connects the heel … Plantar fasciitis is an inflammation of the tissue in the foot used for walking.

The plantar fascia connects the bottom of the heel bone to the ball of the foot and is essential to walking, running, and giving spring to the step. Other terms used to describe plantar fasciitis include plantar …