Why is infrared therapy effective in plantar fasciitis recovery? Infrared light allows the heat to penetrate up to 2 inches into the foot tissue, whereas surface heat only penetrates a few millimeters below the surface. This deeper infrared penetration reaches the damaged tissue deep within the foot and promotes better blood flow, which in turn promotes further healing. A Clinical Trial on plantar fasciitis patients concluded that infrared therapy was an effective and safe treatment, as part of a recovery plan for the condition. How does Infrared Light Therapy Work With Plantar Fasciitis Infrared light is invisible to the naked eye, but is felt as heat within the body. By…