Standing on One Leg Can Reveal a Huge Amount About Your Health

HEALTH

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A healthy life is all about balance. If you're older than 50 and can stand on one leg for at least 30 seconds, scientists say you're aging really well, even if you sway from side to side.

A small new study has found evidence that as a person ages, their balance deteriorates faster than their muscle strength or their walking speed.

"To the best of our knowledge, such a comparison is the first of its kind within the elderly population," the team writes in their published paper.

"This study underscores the significance of the unipedal balance test in monitoring elderly subjects in the community, regardless of sex."

The authors, led by biomedical engineer Asghar Rezaei from the Mayo Clinic, hope their results can improve training programs for the elderly population, maintaining their physical independence for as long as possible.

A unipedal balance test is often used for older adults because balance is a known measure of neuromuscular aging.

A 1997 study, for instance, found those who are unable to balance on one leg for 5 seconds had over twice the risk of a future injurious fall, indicating their level of physical frailty. This type of test can also hint at neurological issues.

The new study investigates how long a person should be able to balance for, given their age.

Among a group of 40 healthy individuals, aged 50 and over, researchers found the length of time that a person could stand on their non-dominant leg fell by about 2.2 seconds a decade, regardless of their sex.

Time spent standing on the dominant leg, meanwhile, declined by 1.7 seconds per decade. When standing on one leg, the number of times a person swayed on the spot was not related to age.

While the cohort is small, this simple test of balance showed significant age-related declines – more so than measures of muscle strength, like grip, or the extension of the knee against resistance.

Source : IANS