Nucleus-to-annulus signal intensity ratio

1. Physical activity is associated with nucleus-to-annulus signal intensity ratio in humans (β -0.00, 95% CI -0.01 to -0.00, p = 0.030).

   “nucleus-to-annulus signal intensity ratio, which was negatively associated (β [95% CI]: -0.00 [-0.01, -0.00], p = 0.030)”

   Humanschronic low back painintervertebral discn = 40

   Lifetime Physical Loading and Magnetic Resonance-Derived Intervertebral Disc Health in Adults With Chronic Low Back Pain: A Cross-Sectional Study

   JOR spine·15 May 2026

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