what causes tender lower right ribs?
Find an Orthopedic Specialist Near You. Rib pain can occur in any age group or population and may be described as a stabbing, tearing, tender, aching or gnawing pain. Rib pain is a symptom of a wide variety of other diseases, disorders and conditions that range from mild to very serious. Many causes of rib pain are associated with injury or inflammation of the muscles, cartilage and ligaments in the rib cage and middle spine area.