Q: What do you know about inversion therapy for back pain? The ads claim that hanging upside down can reverse the effects of gravity and increase the space between the vertebrae.
A.P., VIA THE INTERNET
A: Inversion therapy for back pain is an old idea that waxes and wanes in popularity. Now it seems to be waxing: the Internet offers a variety of tables (at $200 and up), chairs, boots, and other devices to facilitate hanging upside down. But there is little evidence that inversion therapy produces any benefit for back pain, except perhaps a temporary one. This is a form of traction--a method that's largely been discarded for treating back pain.
Inversion devices, according to Dr. Gary Brazina, an orthopedic surgeon and sports medicine specialist in Los Angeles, don't actually reverse the effects of gravity or increase the space between vertebrae, though they may temporarily extend the spine and briefly relieve muscle spasm. Potential side effects from hanging upside down include bleeding into the retina and headaches. It can also make some back problems, as well as hypertension, worse.
If you have back pain, consult a professional skilled in back care. Ask about treatments and exercises for your back. Inversion therapy is unlikely to help and may be harmful. Be skeptical of the wild claims made on websites selling inversion devices.
Bottom line: Don't try inversion therapy, especially not if you have heart disease, hypertension, glaucoma or other eye diseases, or are pregnant. If you do decide to try it, at least make sure there's someone around in case you need help.
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