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Objective measurement of L4-5 instability. A case report
Journal article   Peer reviewed

Objective measurement of L4-5 instability. A case report

David G Wilder, David Seligson, J W Frymoyer and M H Pope
Spine (Philadelphia, Pa. 1976), Vol.5(1), pp.56-58
01/1980
DOI: 10.1097/00007632-198001000-00010
PMID: 6444764

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Abstract

Segmental instability as a consequence of disc degeneration is presented as an entity capable of producing low-back pain which responds to surgical stabilization with spinal fusion, and is illustrated with a case report. Data from lumbar radiographs were analyzed with a computer, and the position changes of the lumbar vertebrae were computed relative to the neutral positions of each. The results indicate that segmental instability is a complex disruption of intervertebral motion, consistent with the coupling behavior of the spine.
Radiography Back Pain - etiology Humans Adult Male Intervertebral Disc Displacement - surgery Spinal Fusion Lumbar Vertebrae Intervertebral Disc Displacement - diagnostic imaging Intervertebral Disc Displacement - physiopathology

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