Fig. 1From: Fear-avoidance beliefs are associated with a high fat content in the erector spinae: a 1.5 tesla magnetic resonance imaging studyAnatomical cross-references used in this study. Abbreviations: IVD intervertebral disc, FT fatty tent, ES erector spinae, ST spinotransversal muscles (lumbar multifidus), QL quadratus lumborum, PM psoas major, SPC spinal canal, ZJ zygapophyseal joint, TLF fascia thoracolumbalis, IFT intrafascial triangle, ESA, aponeurosis of the ES. Orange polygonal circumference measurement = total region of interest lumbar multifidus; purple polygonal circumference measurement = total region of interest erector spinae, blue polygonal circumference measurement = quadratus lumborum, green polygonal circumference measurement = psoas majorBack to article page