Sagittal spinal malalignment

1. C7 sagittal vertical axis predicts sagittal spinal malalignment in humans (OR 0.82 per 10 mm increase, 95% CI 0.81-1.00).

   Humansbaseline C7 SVA in multivariable modelper 10 mm increase6 yearsn = 533

   MRI-defined erector spinae fatty infiltration predicts progression of sagittal spinal malalignment: a population-based longitudinal cohort study · The spine journal : official journal of the North American Spine Society · 2 Sep 2026

C7 sagittal vertical axis →

1. Fatty infiltration ratio predicts sagittal spinal malalignment in humans (OR 2.01 per 5% increase, 95% CI 1.40-3.05).

   Humanserector spinae at T12/L1, multivariable modelerector spinaeper 5% increase6 yearsn = 533

   MRI-defined erector spinae fatty infiltration predicts progression of sagittal spinal malalignment: a population-based longitudinal cohort study · The spine journal : official journal of the North American Spine Society · 2 Sep 2026

Fatty infiltration ratio →

1. Pelvic tilt predicts sagittal spinal malalignment in humans (OR 1.13 per 1° increase, 95% CI 1.08-1.18).

   Humansprogression of sagittal malalignment over 6 yearsper 1° increase6 yearsn = 533

   MRI-defined erector spinae fatty infiltration predicts progression of sagittal spinal malalignment: a population-based longitudinal cohort study · The spine journal : official journal of the North American Spine Society · 2 Sep 2026

Pelvic tilt →