Biomechanical Analysis of Lumbosacral Fixation

  • David H. McCord
  • Bryan W. Cunningham
  • Yasuhiro Shono
  • Jordan J. Myers
  • Paul C. McAfee


The lumbosacral junction is perhaps the most difficult portion of the spine in which to obtain a solid fusion [1–11]. This is particularly true following reductions of spondylolisthesis [12]. Lumbar spine fusion techniques have continued to evolve since Hibbs and Albee first described their fusion methods for tuberculosis spine infections [13,14]. At present, instrumentation systems run a wide range of design to confer desirable biomechanical properties in hopes of increasing the success of spinal fusion while obviating the need for a postsurgical orthosis.


Pedicle Screw Percent Strain Biomechanical Analysis Flexion Moment Iliosacral Screw 
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Copyright information

© Springer-Verlag Tokyo 1993

Authors and Affiliations

  • David H. McCord
    • 1
  • Bryan W. Cunningham
  • Yasuhiro Shono
  • Jordan J. Myers
  • Paul C. McAfee
    • 2
  1. 1.Tennessee Spine CenterNorth NashvilleUSA
  2. 2.Department of Orthopaedic SurgeryThe Johns Hopkins University School of Medicine and Biomechanics Laboratory, Union Memorial HospitalBaltimoreUSA

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