Fig. 3From: The relationship between structural changes in paraspinal muscles and intervertebral disc and facet joint degeneration in the lumbar spine of ratsHistomorphometry of rats’ lumbar IVDs: a height (µm); b degenerative disturbance score (in points) according to the degeneration grading system for rat intervertebral discs. Unpaired Student t test. ***p < 0.001Back to article page