How fat builds up in back muscles with chronic low back pain

Mechanistic structure-function relationships for paraspinal muscle fat infiltration in chronic low back pain patients

NIH-funded research University of California, San Francisco · NIH-11306684

Researchers will use advanced MRI plus movement and muscle tests to link patterns of fat in back muscles to symptoms in people with chronic low back pain.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of California, San Francisco NIH-funded
Lab location1 site (San Francisco, United States)
Project IDNIH-11306684 on NIH RePORTER

What this research studies

This project uses advanced MRI to create detailed 3‑D 'fat maps' of the paraspinal (back) muscles alongside standard spine imaging. Participants will undergo movement testing and muscle‑activation measurements so researchers can compare fat distribution with how people move and use their back muscles. The team will examine whether disc degeneration or local inflammation relates to nearby muscle fat and functional changes. Findings aim to reveal patterns that could help tailor treatments or rehabilitation to individual patients.

Who could benefit from this research

Good fit: Adults with chronic (long‑standing) low back pain who can undergo MRI scanning and movement testing are the ideal candidates.

Not a fit: People with only short‑term (acute) back pain, primarily leg‑dominant nerve compression (radiculopathy), or those who cannot have an MRI may not directly benefit from this project.

Why it matters

Potential benefit: If successful, the work could help doctors personalize treatments by identifying which muscle or spinal problems contribute to a patient's chronic low back pain.

How similar studies have performed: Prior studies have found increased fat in back muscles in some people with chronic low back pain but results are inconsistent, and combining 3‑D fat mapping with movement and muscle‑activation testing is relatively new.

Where this research is happening

San Francisco, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.