Low back pain; Multifidus fatty/fibrosis infiltration; Perimuscular connective tissues; Sex; Ultrasound imaging.

Structural remodelling of the lumbar multifidus, thoracolumbar fascia and lateral abdominal wall perimuscular connective tissues: A cross-sectional and comparative ultrasound study

Researchers used ultrasound to compare soft tissues in the lower back and abdomen of people with and without non-acute low back pain (LBP). They measured the multifidus muscle, the thoracolumbar fascia, and the connecti…