10-second balance test may predict how long you’ll live


How does balance predict longevity?

To explore whether a balance test might reveal insight into a person’s risk of death from any cause during the next decade, Araújo and his team reexamined data from the 1994 CLINIMEX Exercise cohort study, which assessed associations among physical fitness, cardiovascular risk factors, and the risk of developing poor health and dying.

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For the new report, the researchers focused on 1,702 participants from ages 51 to 75 — average age 61 — at their first study checkup, when weight, waist size and measures of body fat were collected. The researchers included only people who could walk steadily in their analysis.

At the first checkup, participants were asked to stand on one leg for 10 seconds without holding onto anything to support themselves.

The participants, who were allowed three tries, were asked to place the front of the uplifted food on the back of the weight bearing leg, while keeping their arms at their sides and their gaze fixed straight ahead.

The researchers noted that the inability to pass the test rose with age. In general, people who failed the test tended to be in poorer health than those who passed, with a higher proportion being obese, having cardiovascular disease and unhealthy blood cholesterol levels. Type 2 diabetes was three times more common among people who failed the test as those who passed.
After accounting for factors such as age, sex, BMI, history of heart disease, hypertension, diabetes and high cholesterol, the researchers found that the risk of death within 10 years was 1.84-fold higher in participants who failed the balance test.

The good news, Araújo said, is “it is never too late to improve balance by specific training. A couple of minutes a day — at home or in a gym could help a lot.”

Studies like this provide a scientific basis for deciding on the types of measurements that will help evaluate how well a person is functioning physically, said Dr. John W. Rowe, a professor of health policy and aging at the Columbia University Mailman School of Public Health.

During a physical, doctors typically check people’s hearts, lungs, cholesterol and blood pressure. But for the most part, they aren’t measuring what shape people are in, Rowe said.

If a doctor determines a patient has balance issues, a program can be prescribed to help improve fitness and balance.

“And if the doctor asks the patient to do the one-leg stand and the patient says, ‘what good is that,’ the doctor can say there is an article showing that this can predict life expectancy,” said Rowe.