Tai Chi
Osteoartrhritis

Tai Chi May Be as Good as Physical Therapy for Arthritis-Related Knee Pain

Osteoarthritis — the age-related, “wear-and-tear” form of joint disease — is the most common type of arthritis. And the knee is the most commonly affected joint. In fact, almost half of the population will have knee pain due to osteoarthritis by age 85. There is no cure; the only permanent treatment is a total knee replacement. More than 700,000 of these operations are performed in the U.S. each year, and the rate of knee replacement surgery has nearly doubled between 2000 and 2010.

Since surgery is a last resort, what can you do in the meantime? The mainstays of treatment include losing weight if you need to, exercise, various pain relievers and anti-inflammatory medications, and physical therapy. But these approaches don’t always work well. If they did, we’d have far fewer joint replacement surgeries!

Considering how common osteoarthritis of the knee is and how limited our treatments are, news of a novel approach to treating osteoarthritis of the knee comes none too soon.

A new study comparing tai chi and physical therapy

Boston researchers publishing in the Annals of Internal Medicine describe a study of more than 200 adults with painful knee osteoarthritis. Half the participants were randomly assigned to standard physical therapy and the other half were assigned to tai chi, a “traditional Chinese mind-body practice that combines meditation with slow, gentle, graceful movements; deep diaphragmatic breathing; and relaxation” (as described in the study). Each course of treatment lasted 12 weeks.

Why did the researchers undertake this research? Preliminary studies had demonstrated that tai chi has clear benefits for people with osteoarthritis, but no previous study had compared it directly with standard physical therapy. And prior trials had found that tai chi can help treat conditions like rheumatoid arthritis and fibromyalgia (among others).

This new study found that

  • both the physical therapy and tai chi groups saw significant improvements in the amount of pain they experienced, and each group’s pain improved to a similar degree.
  • the improvements the participants saw by 12 weeks lasted for a full year.
  • the tai chi group improved more than the physical therapy group in measures of depression and in certain measures of quality of life.

One limitation of many studies of tai chi is that some of its effect may be related to the personality or charisma of the instructor. In this new study, the investigators thought of that and compared different instructors; no differences between them were noted.

Which would you choose?

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