What are evolutionary mechanisms of chronic low back pain (cLBP)?

Updated: Aug 22, 2018
  • Author: Jasvinder Chawla, MD, MBA; Chief Editor: Stephen A Berman, MD, PhD, MBA  more...
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Chronic LBP (cLBP) is not the same as acute LBP that persists for a greater duration. Usually 6-7 weeks is sufficient for healing to occur in most soft-tissue or joint injuries; however, 10% of LBP injuries do not resolve in this period. The evolution of cLBP is complex, with physiological, psychological, and psychosocial influences. These influences can be divided into 3 major categories, with subcategories, as follows:

  • Neurophysiological mechanisms

    • Peripheral

    • Peripheral to central

  • Psychological mechanisms

    • Behavioral

    • Cognitive-affective

    • Psychophysiological

  • Barriers to recovery

    • Medical and surgical

    • Physical

    • Psychological

    • Neuropsychological

    • Social

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