Figure 4

Mean \(ADC\) values before and after intervention, for the 9 ROIs (#1 to #9) at the 5 anatomical levels (L1-L2 to L5-S1). The color code denotes the importance of \(ADC\) values, with cold colors (blue, cyan) for low values and warm colors (red, brown) for high values. Anterior (ant.), middle (mid.) and posterior (post.) portions of the IVDs along the sagittal medial (M, ROIs #2, #5, and #8), parasagittal left (L, ROIs #1, #4, and #7) and right planes (R, ROIs #3, #6, and #9). Values before the intervention are represented by the circles in the foreground and the ones after the intervention in the background.