Risk factors for increased fat infiltration in the erector spinae in patients undergoing lumbar surgery for degenerative conditions

Objectives and questions: Patients with spinal disability often have increased fat infiltration (FI) in the paraspinal muscles (PM), which indicates decreased muscle strength. This atrophy can lead to segmental instability and uneven load distribution. The multifidus (MF) is particularly vulnerable [for full text, please go to the a.m. URL]