Yoga may have health benefits for people with chronic non-specific lower back pain

Yoga may have health benefits for people with chronic non-specific lower back pain

A Cochrane Review, published in the Cochrane Library, suggests that yoga may lead to a small reduction in pain in people with chronic non-specific lower back pain over the short term. However, researchers advise that more studies are needed to provide information on long-term effects.

Lower back pain is a common health problem, and is usually treated with self-care and over-the-counter medication. For some people it may last for three months or more, and at this point it is considered “chronic”. Back pain is sometimes associated with a disease or condition, but the vast majority of lower back pain cases have an unknown cause, and as a result are described as non-specific. Current guidelines state that exercise therapy may be beneficial, and in particular yoga is sometimes used as a treatment.

Yoga has gained global popularity as a form of mind-body exercise, with general lifestyle benefits, and recent studies have investigated the potential of yoga to relieve the symptoms of lower back related problems.

A new Cochrane Review summarizes the results of 12 randomized trials from 1,080 men and women with an average age between 34 and 48 years old. The trials were conducted in India, the UK, and the US. All participants had chronic non-specific lower back pain.

The Cochrane researchers compared practicing yoga in a class to not doing any back-focused exercise. Five studies compared yoga with back-focused exercise, or added yoga for a back-focused exercise programme. All yoga interventions used were specifically designed for treatment of lower back pain, and were provided by experienced and qualified teachers.

They found that compared to no exercise, practicing yoga might be able to improve back-related function and reduce symptoms of lower back pain by a small amount. However, larger and more robust studies are needed to draw any firm conclusions about the long-term health benefits of yoga.

The research team also found limited evidence that, compared with not doing any physical exercise, yoga can lead to some improvement in back function after six months and a small reduction in pain after three months. The longer term effects of yoga on lower back pain are less certain, because there were few studies that looked at follow-up after 12 months. However, yoga is associated with more side effects than not doing any exercise. About 5% more yoga participants experienced increased back pain, although this appears similar to the risk of having side effects from other back-focused exercise.

Lead Cochrane author Susan Wieland from Cochrane Complementary Medicine at the Center for Integrative Medicine, University of Maryland School of Medicine, Maryland, commented, “Our findings suggest that yoga exercise may lead to reducing the symptoms of lower back pain by a small amount, but the results have come from studies with a short follow-up. At the moment we only have very low-quality evidence for the effects of yoga before six months as a type of exercise for helping people with chronic lower back pain. The yoga exercises practised in the studies were developed for low back pain, but people should also remember that in each of the studies we reviewed, the yoga classes were led by experienced practitioners. The findings of this Cochrane Review will help people make more informed choices about their future treatment options.”

Editor’s notes
Full citation:  Wieland LS, Skoetz N, Pilkington K, Vempati R, D'Adamo CR, Berman BM. Yoga treatment for chronic non-specific low-back pain. Cochrane Database of Systematic Reviews 2013, Issue 7 . Art. No.: CD010671. DOI: 10.1002/14651858. CD010671

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Susan Wieland
Coordinator, Cochrane Complementary Medicine
Center for Integrative Medicine
University of Maryland School of Medicine
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Baltimore, Maryland, 21201 USA

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Tuesday, January 31, 2017