Posterior lower trunk pain is perhaps the commonest and best known of the whole body; it is lumbago. Although perhaps outdated, lumbago is a term still used by many patients for the common, posterior examples of trunk pain. Of course, it is no more than a topographical label as to where the patient feels pain; it is neither a diagnosis nor a disease. Together with leg pain, it accounts for about 60% of pain of vertebral origin (PVO) and is of enormous importance as a cause of disability and loss of earnings (8). Even more than with posterior thoracic pain, low back pain is commonly related to stooping and lifting, to which may be added vibration. Not uncommonly it is accompanied or followed by pain in the sacroiliac region, the buttock, or the leg (the latter chiefly in the distribution of the greater sciatic nerve), in this circumstance almost always confined to one leg.
KeywordsIrritable Bowel Syndrome Thoracolumbar Spine Nerve Entrapment Polymyalgia Rheumatica Lower Trunk
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