Figure 1From: Rest versus exercise as treatment for patients with low back pain and Modic changes. a randomized controlled clinical trial Classification of size. Classification of the size of a Modic change (MC) based on its depth of extension into the vertebral body height: A: Endplate only, B: > endplate to 25%, C: 25 to 50%, and D: > 50%. Only patients with B, C or D met this inclusion criterion for the current study.Back to article page