subject: Do I Have To See A Podiatrist For Orthotics? [print this page] Semi-rigid orthotics provide the balance needed for walking or participation in sports, and they are composed of soft material that is reinforced by more rigid material. They are often used in treating flat feet and out-toeing and in-toeing problems in children. In addition, semi-rigid orthotics are also prescribed for athletes to help ease the foot pain they experience while training for and competing in sports.