Functional cross-sectional area (mm2)±SD, 95% CI of the 15 participants who had pre and post MRIs
| Lumbar level | Left pre | Left post | Change (%) | Right pre | Right post | Change (%) |
|---|---|---|---|---|---|---|
| L3-L4 | 85.8±10.2,* 80.6 to 91 | 89.1±7.5, 85.3 to 92.9 | +3.8 | 87.4±7.5,* 83.7 to 91.3 | 90.0±6.0, 86.9 to 93.0 | +2.9 |
| L5-L5 | 84.3±8.4,* 80.1 to 88.7 | 86.9±6.7, 83.5 to 90.3 | +3.0 | 86.0±7.0,* 82.5 to 89.5 | 87.7±6.7, 84.3 to 91.1 | +1.9 |
| L5-S1 | 81.8±6.4, 78.6 to 85.1 | 81.7±7.0, 78.1 to 85.2 | −0.2 | 81.3±7.3, 77.6 to 85.0 | 82.8±7.9, 78.8 to 86.8 | +1.8 |
*Significant difference (p≤0.05) between baseline and week 16.