Inflammatory: This group involves inflammatory conditions not a result of infection or malignancy. Illustrations are ankylosing spondylitis and sacroiliitis. Serious inflammation may give increase to spinal arthritis. Referred pain: Visceral organ inflammation can cause referred back pain. Illustrations are biliary colic, lung sickness, and aortic or vertebral artery pathology. https://marcogawpe.ttblogs.com/9252127/the-ultimate-guide-to-back-pain