Figure 2From: A method for quantitative measurement of lumbar intervertebral disc structures: an intra- and inter-rater agreement and reliability studySchematic drawing of 3D cross-sectional areas (CSA) and volume of disc measures from sagittal image slices. a) CSA of anterior intervertebral height (AIVH), b) CSA of intervertebral disc (CIVD), c) Volume of posterior disc material (VPDM) and d) CSA of posterior disc material (CPDM).Back to article page