Plantar fasciitis is a surprisingly common foot condition. Dr. Jay Spector , an Atlanta-based podiatrist and 32-time marathon runner, has experienced it himself on two occasions. “Plantar fasciitis is inflammation at the insertion of the plantar fascia as well as pain along the arch of the foot.” Spector told HuffPost via email. “The plantar fascia, [which] is a ligament that acts like a tendon in motion, holds up the muscles that are in the arch.” He said that although the causes of fascia