Does yoga help lower-back pain? An adapted class is different from a pose video

A US trial compared adapted yoga with physical therapy for chronic low-back pain. What noninferiority means, and why it is not proof every pose is safe.

Prepared by PoshanSense · AI-assisted educational writing
Our sources and editorial approach · Not clinically reviewed

Research explained · Published 2017

A stiff back can make a yoga video look tempting. But the question is not whether a pose looks gentle on screen. It is whether the type of programme has evidence for the kind of pain you have.

Is yoga as good as physiotherapy?

The best answer here is narrower: one carefully adapted programme met a trial’s criteria for being no worse than a specified physical-therapy programme by more than a preset margin. That is a useful finding about options, not a declaration that all yoga and all physiotherapy are interchangeable.

The participants had nonspecific pain lasting at least 12 weeks. People with particular causes, such as spinal stenosis, were excluded. New pain or a known structural diagnosis is therefore not automatically covered by the result.

What did the yoga programme actually involve?

The 2017 Boston trial used a manualized course taught by trained instructors. Classes combined relaxation, breathing and adapted poses, using chairs, straps and blocks to accommodate different abilities. Home practice was encouraged.

Physical therapy was individually delivered and included graded exercise and assessment of fear-avoidance beliefs. The education group received a self-care book, newsletters and check-in calls. Everyone retained access to usual care. None of these comparisons was simply “exercise versus doing nothing.”

What improved—and what did not clearly separate?

Yoga and physical therapy improved pain and back-related function. Yoga met the prespecified noninferiority criteria for both primary outcomes at 12 weeks. However, it did not clearly outperform education on either primary outcome.

That second finding matters. It prevents the attractive but unsupported claim that the trial proved a yoga class was uniquely effective. It also reminds us that useful information, reassurance and self-management support may be part of a comparison group.

The researchers reported improvements maintained through a year, but the maintenance phase involved further assignments to ongoing sessions or home practice. It was not a simple experiment in taking 12 classes and then doing nothing for nine months.

Does this mean yoga cannot make pain worse?

No. Mild, usually self-limited joint or back pain occurred in both yoga and physical-therapy groups. Nine yoga participants and 14 physical-therapy participants reported adverse events, compared with one in education. The yoga-versus-therapy difference was not clear, but “not clearly different” does not mean “no risk.”

The study’s trained instructors and adaptations are an important part of what was tested. A fast class, an extreme stretch or a generic routine can be a different exposure.

How should someone decide?

For chronic nonspecific pain, an appropriate adapted programme may be an option to discuss with a qualified clinician or therapist. Preferences, access, cost and the ability to modify movements can matter. A persistent problem deserves an assessment rather than repeatedly trying painful poses.

Keep this question separate from preventing another episode after recovery: our walking-and-back-pain article covers that different outcome. The yoga trial does not establish a structural cure or justify changing pain medication on your own.

This is an educational explanation of a clinical trial, not an individual exercise plan. We have not clinically reviewed the article, and the study cannot identify the cause of your pain.

Published 11 October 2026 · Sources checked 11 October 2026. Suggest a correction.