Low back pain is considered to be chronic if it has been present for longer than three months. Chronic low back pain may originate from an injury, disease or stresses on different structures of the body. The type of pain may vary greatly and may be felt as

Regions of the Spine : The spine consists of the 33 vertebra, classified into five groups: cervical spine, thoracic spine, lumbar spine, sacrum, and coccyx.