Stability of the lumbar spine. A study in mechanical engineering.

  title={Stability of the lumbar spine. A study in mechanical engineering.},
  author={A Bergmark},
  journal={Acta orthopaedica Scandinavica. Supplementum},
  • A Bergmark
  • Published 1989 in Acta orthopaedica Scandinavica. Supplementum
From the mechanical point of view the spinal system is highly complex, containing a multitude of components, passive and active. In fact, even if the active components (the muscles) were exchanged by passive springs, the total number of elements considerably exceeds the minimum needed to maintain static equilibrium. In other words, the system is statically highly indeterminate. The particular role of the active components at static equilibrium is to enable a virtually arbitrary choice of… CONTINUE READING
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