Inflammatory: This group contains inflammatory ailments not due to an infection or malignancy. Examples are ankylosing spondylitis and sacroiliitis. Persistent inflammation may give increase to spinal arthritis. Referred pain: Visceral organ inflammation may cause referred back pain. Examples are biliary colic, lung disease, and aortic or vertebral artery pathology. https://lukasykqvy.blogdomago.com/28873026/a-secret-weapon-for-back-pain