The Accommodating Pain-Free Exercise Therapy (APFET) Program is a revolutionary walking exercise therapy that trains the participants to (a.) Walk at a slower speed at first, (b.) Gradually increase their speed until slight tension in the leg(s) is felt, (c.) Slow down the speed until the tension subsides, and (d.) Gradually increase the speed. Participants walk faster, farther, and longer than they ever have before all without feeling pain!