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lordosis (hollow/sway/saddle back)

An abnormal extension deformity where the 'vertebral column curves more anteriorly'. - characterized by an anterior rotation of the pelvis (the upper sacrum tilts anteroinferiorly) at the hip joints Cervical lordosis: - the normal anteriorly convex curvature of the cervical segment Lumbar lordosis: - the normal anteriorly convex curvature of the lumbar segment [Greek, lordosis = bending backward]

Related

curvatures of vertebral column (cervical, thoracic, lumbar, sacral) kyphosis (hyperkyphosis, Dowager's hump) scoliosis

General

abnormal curvature of the spine

References

  1. Stedman's Medical Dictionary 27th ed, Williams & Wilkins, Baltimore, 1999.
  2. Clinically Oriented Anatomy, 4th edition, KL Moore & AF Dalley (eds), Lippincott Williams & Wilkins, Philadelphia, PA 1999.