Orthotic inserts are essential tools that medical experts use to relieve lower limb problems in patients. They are vital in offering structural feet support and correcting abnormalities in your feet. Additionally, they are essential in relieving pressure on injured parts of the feet. Overall, orthotics can be helpful for patients who have arthritis, diabetic foot ulcers, flat feet, tendonitis and other foot conditions.  However, not all orthotic inserts are the same, and that's why it's wiser to go for custom-made types.