Article Figures & Data
Figures
- Fig. 1
Three configurations adopted for each specimen: a) intact segment, b) laminectomy and c) facetectomy.
- Fig. 2
Diagram of Deformation and Load Directions. There was an axial load applied to the specimen the deformation was measured in the vertical and anterior directions.
- Fig. 3
Experimental Set-up for Intact Cervical Spine. The anterior sensor measures anterior bulge, the posterior sensor tracks the displacement of the bone movement.
- Fig. 4
Experimental Set-up for Cervical Spine Post Laminectomy, the additional sensor is added to measure the posterior bulge.
- Fig. 5
Cervical Specimen in Axial Plane showing histological proporties of vertebra and intervertebral discs.
- Fig. 6
Experimental results of the intact configuration: Average values of Anterior Bulge (mm) and Vertical Deformation (mm).
- Fig. 7
Average values of vertical Deformation (mm) for the three configurations, Standard deviation is shown with error bars for the intact case.
- Fig. 8
Experimental results of the Anterior Bulge (mm) for the three: intact, laminectomy, and facetectomy.
- Fig. 9
Experimental results of the Posterior Bulge (mm) for both the laminectomy and facetectomy with posterior access.
- Fig. 10
Comparison of current data with previous reported studies of the Vertical Deformation (mm).
- Fig. 11
Analysis of Average values for the different Spinal segment configuration at a common physiological Load of 250 N (mm).
- Fig. 12
Comparison of Bulging and vertical height deformation at maximal load of 550N.
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