Orthopedic Insoles are foam or gel shoe inserts designed to provide temporary pain relief. They might provide short-term comfort, but they often don’t give you the support you need to correct back pain, foot pain and other bodily ailments. Orthotic inserts, however, are designed to actually correct the function of the mobile parts of your body. Kao Chen orthotics control the movements in your joints and the amount that your foot flattens.