If you’re dealing with heel pain in Tucson that hasn’t improved despite treatment for plantar fasciitis, you’re not alone. At Smith Performance Center, we often see people who’ve tried injections, stretching, shoe inserts, and ice bottles—yet their heel still hurts. In many of these cases, the real problem isn’t the plantar fascia at all, but a muscle on the bottom of the foot called the flexor digitorum brevis. You wake up, swing your legs to the edge of the bed, and… hesitate. You know this is going to hurt. The good foot moves to the ground first—you learned from that mistake a month ago. You brace and put down the other foot, the ungrateful one that will not get better despite the trip to the podiatrist, the injection, physical therapy, the shoe inserts, the ice bottle massage, and the stretching exercises. The foot touches down. It’s not so bad, you