Ultimate strength of the lumbar spine in flexion--an in vitro study.

@article{Osvalder1990UltimateSO,
  title={Ultimate strength of the lumbar spine in flexion--an in vitro study.},
  author={Anna-Lisa Osvalder and Pavel Neumann and Per L{\"o}vsund and Anders Nordwall},
  journal={Journal of biomechanics},
  year={1990},
  volume={23 5},
  pages={453-60}
}
The ultimate strength in flexion of 16 lumbar functional spinal units (FSU) was determined. The specimens were exposed to a combined static load of bending and shearing in the sagittal plane until overt rupture occurred (simulated flexion-distraction injuries). The biomechanical response of the FSU was measured with a force and moment platform. Mechanical displacement gauges were used to measure vertical displacements (flexion angulation) of the specimens. Photographs were taken after each… CONTINUE READING
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