Try Tai Chi and See Big Health Benefits

Tai Chi

 The gentle, 2,000-year-old Chinese practice of tai chi is often described as “meditation in motion.” But the Harvard Women’s Health Watch newsletter suggests a more apt description is “medication in motion.”

Tai chi, the most famous branch of Qigong, or exercises that harness the qi (life energy, pronounced “chee”), has been linked to health benefits for virtually everyone from children to seniors. Researchers aren’t sure exactly how, but studies show that tai chi improves the quality of life for breast cancer patients and Parkinson’s sufferers. Its combination of martial arts movements and deep breathing can be adapted even for people in wheelchairs. And it has shown promise in treating sleep problems and high blood pressure.

Flexibility and strength. Tai chi is credited with so many pluses, physiological and psychological, that Chenchen Wang, an associate professor of medicine at Tufts University, set out earlier this year to analyze 40 studies on it in English and Chinese journals. Wang found that tai chi did indeed promote balance, flexibility, cardiovascular fitness, and strength. In a study comparing it with brisk walking and resistance training, a tai chi group improved more than 30 percent in lower-body strength and 25 percent in arm strength, nearly as much as a weight-training group and more than the walkers.

“Benefit was also found for pain, stress, and anxiety in healthy subjects,” adds Wang, who was influenced by her mother, a Chinese doctor, to study an integration of complementary and alternative medicine with Western medicine.

In a 2008 analysis, Harvard Medical School’s Gloria Yeh, an internist and assistant professor, reviewed 26 studies in English and Chinese and reported that in 85 percent of trials, tai chi lowered blood pressure. Other studies have shown it to reduce blood levels of B-type natriuretic peptide, a precursor of heart failure, and to maintain bone density in postmenopausal women. The nonprofit Arthritis Foundation offers its own 12-movement tai chi sequence.

Wang says more study is needed. Still, says New York Times personal health writer Jane Brody: “After reviewing existing scientific evidence for its potential health benefits, I’ve concluded that the proper question to ask yourself may not be why you should practice tai chi, but why not.”

Lesson One: Find a teacher. “Learning from a book or video just does not work,” says Greg Woodson, vice president of the international T’ai Chi Foundation and a teacher for 35 years. Students need real feedback from a teacher who can make sure exercises are done correctly “so the practice does not cause the type of injury it’s designed to alleviate,” he says. One example: Weight-bearing feet need to be flat on the floor to avoid knee stress, “an extremely subtle point that an experienced teacher will see.” Woodson suggests that if a teacher has less than 10 years of experience, you should make sure he or she has the backing of a school or a more experienced teacher.

[Tai Chi May Help Ward Off Knee Pain in Seniors]

How much tai chi is enough? “Data suggest the minimum amount for effective results” is once- or twice-weekly sessions for eight to 12 weeks, says Wang. No pain, big gains.

Tai chi is often described as “meditation in motion,” but it might well be called “medication in motion.” There is growing evidence that this mind-body practice, which originated in China as a martial art, has value in treating or preventing many health problems. And you can get started even if you aren’t in top shape or the best of health.

In this low-impact, slow-motion exercise, you go without pausing through a series of motions named for animal actions — for example, “white crane spreads its wings” — or martial arts moves, such as “box both ears.” As you move, you breathe deeply and naturally, focusing your attention — as in some kinds of meditation — on your bodily sensations. Tai chi differs from other types of exercise in several respects. The movements are usually circular and never forced, the muscles are relaxed rather than tensed, the joints are not fully extended or bent, and connective tissues are not stretched. Tai chi can be easily adapted for anyone, from the most fit to people confined to wheelchairs or recovering from surgery.

Tai chi movement

A tai chi class practices a short form at the Tree of Life Tai Chi Center in Watertown, Mass.

“A growing body of carefully conducted research is building a compelling case for tai chi as an adjunct to standard medical treatment for the prevention and rehabilitation of many conditions commonly associated with age,” says Peter M. Wayne, assistant professor of medicine at Harvard Medical School and director of the Tai Chi and Mind-Body Research Program at Harvard Medical School’s Osher Research Center. An adjunct therapy is one that’s used together with primary medical treatments, either to address a disease itself or its primary symptoms, or, more generally, to improve a patient’s functioning and quality of life.

Belief systems

You don’t need to subscribe to or learn much about tai chi’s roots in Chinese philosophy to enjoy its health benefits, but these concepts can help make sense of its approach:

  • Qi — an energy force thought to flow through the body; tai chi is said to unblock and encourage the proper flow of qi.
  • Yin and yang — opposing elements thought to make up the universe that need to be kept in harmony. Tai chi is said to promote this balance.

Tai chi in motion

A tai chi class might include these parts:

Warm-up.

Easy motions, such as shoulder circles, turning the head from side to side, or rocking back and forth, help you to loosen your muscles and joints and focus on your breath and body.

Instruction and practice of tai chi forms.

 Short forms — forms are sets of movements — may include a dozen or fewer movements; long forms may include hundreds. Different styles require smaller or larger movements. A short form with smaller, slower movements is usually recommended at the beginning, especially if you’re older or not in good condition.

Qigong (or chi kung).

Translated as “breath work” or “energy work,” this consists of a few minutes of gentle breathing sometimes combined with movement. The idea is to help relax the mind and mobilize the body’s energy. Qigong may be practiced standing, sitting, or lying down.

Getting started

The benefits of tai chi are generally greatest if you begin before you develop a chronic illness or functional limitations. Tai chi is very safe, and no fancy equipment is needed, so it’s easy to get started. Here’s some advice for doing so:

Don’t be intimidated by the language.

Names like Yang, Wu, and Cheng are given to various branches of tai chi, in honor of people who devised the sets of movements called forms. Certain programs emphasize the martial arts aspect of tai chi rather than its potential for healing and stress reduction. In some forms, you learn long sequences of movements, while others involve shorter series and more focus on breathing and meditation. The name is less important than finding an approach that matches your interests and needs.

Check with your doctor .

If you have a limiting musculoskeletal problem or medical condition — or if you take medications that can make you dizzy or lightheaded — check with your doctor before starting tai chi. Given its excellent safety record, chances are that you’ll be encouraged to try it.

Consider observing and taking a class.

Taking a class may be the best way to learn tai chi. Seeing a teacher in action, getting feedback, and experiencing the camaraderie of a group are all pluses. Most teachers will let you observe the class first to see if you feel comfortable with the approach and atmosphere. Instruction can be individualized. Ask about classes at your local Y, senior center, or community education center. The Arthritis Foundation (www.arthritis.org; 800-283-7800, toll-free) can tell you whether its tai chi program, a 12-movement, easy-to-learn sequence, is offered in your area.

If you’d rather learn at home, you can buy or rent videos geared to your interests and fitness needs (see “Selected resources”). Although there are some excellent tai chi books, it can be difficult to appreciate the flow of movements from still photos or illustrations.

Talk to the instructor.

There’s no standard training or licensing for tai chi instructors, so you’ll need to rely on recommendations from friends or clinicians and, of course, your own judgment. Look for an experienced teacher who will accommodate individual health concerns or levels of coordination and fitness.

Dress comfortably.

Choose loose-fitting clothes that don’t restrict your range of motion. You can practice barefoot or in lightweight, comfortable, and flexible shoes. Tai chi shoes are available, but ones you find in your closet will probably work fine. You’ll need shoes that won’t slip and can provide enough support to help you balance, but have soles thin enough to allow you to feel the ground. Running shoes, designed to propel you forward, are usually unsuitable.

Gauge your progress.

Most beginning programs and tai chi interventions tested in medical research last at least 12 weeks, with instruction once or twice a week and practice at home. By the end of that time, you should know whether you enjoy tai chi, and you may already notice positive physical and psychological changes.

No pain, big gains

Although tai chi is slow and gentle and doesn’t leave you breathless, it addresses the key components of fitness — muscle strength, flexibility, balance, and, to a lesser degree, aerobic conditioning. Here’s some of the evidence:

Muscle strength.

 Tai chi can improve both lower-body strength and upper-body strength. When practiced regularly, tai chi can be comparable to resistance training and brisk walking.

“Although you aren’t working with weights or resistance bands, the unsupported arm exercise involved in tai chi strengthens your upper body,” says internist Dr. Gloria Yeh, an assistant professor at Harvard Medical School. “Tai chi strengthens both the lower and upper extremities and also the core muscles of the back and abdomen.”

Flexibility.

Tai chi can boost upper- and lower-body flexibility as well as strength.

Balance.

Tai chi improves balance and, according to some studies, reduces falls. Proprioception — the ability to sense the position of one’s body in space — declines with age. Tai chi helps train this sense, which is a function of sensory neurons in the inner ear and stretch receptors in the muscles and ligaments. Tai chi also improves muscle strength and flexibility, which makes it easier to recover from a stumble. Fear of falling can make you more likely to fall; some studies have found that tai chi training helps reduce that fear.

Aerobic conditioning.

Depending on the speed and size of the movements, tai chi can provide some aerobic benefits. If your clinician advises a more intense cardio workout with a higher heart rate than tai chi can offer, you may need something more aerobic as well.

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