Fig. 1From: Relationship between X-ray findings of lumbar spondylosis and knee painThe Lumbar-Spine Computer-Aided Diagnostic system draws the vertebra in outline and measures the disc height of anterior, midpoint, and posterior semi-automatically. As for disc height in this study, the length of the line between the midpoint of the upper and lower endplates divided by the L3 posterior vertebral height was usedBack to article page