The International Association for the Study of Pain – IASP published a chapter on Low Back Pain (LBP) in their 2009 Functional Pain Syndromes: Presentation and Pathophysiology – Clinical Updates.

This document examines whether low back pain (LBP) should be considered a straightforward consequence of injury and dysfunction in the spine, or the result of more complex processes involving nervous system processing of sensory information. The focus is on axial LBP rather than radiculopathy, and on chronic LBP rather than on transient episodes of LBP.

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