How long you can balance on one leg, like a flamingo, may be an important indicator of health and how well you’re aging, a study finds. Experts explain.

“If you can’t stand on your leg for five seconds, you’re at risk of falls,” Dr. Kaufman told The Washington Post. “If a person can stand on their leg for 30 seconds, they’re doing really well, especially if they’re older.”

Single-Leg Stand: Stand on one leg while keeping your other leg lifted slightly off the ground. Hold this position for 20 to 30 seconds, then switch legs. For an extra challenge, you can try this with your eyes closed and/or standing on a cushion.

People who claim changes in strength or gait are the best indicators of aging don't have a leg to stand on, going by tests carried out at the Mayo Clinic in the US.The clinic's doctors say that the ability to stand on one leg "is a more telltale measure of aging" than other physical markers,