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Spinal Exam

Lumbar Lordosis

January 1st, 2017


  • Look For

  • The amount of antero-posterior curvature of the lumbar spine.

Loss of Lumbar Lordosis

  • Look For

  • Marked straightening of the lumbar spine.
  • Significance

  • The lumbar spine is normally lordosed, and loss of lordosis may result in pain and disability.
  • Causes of Loss of Lumbar Lordosis

  • Age-related - osteoarthritis, disc degeneration
  • Muscular weakness
  • Spinal fusion
  • Congenital abnormalities


Normal lumbar lordosis is unique to humans and is a result of our upright posture and habitual bipedalism. Such lordosis develops as infants begin to stand and walk.
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