The inability to stand on one leg for 10 seconds in mid to later life is linked to a near doubling in risk of death.
A near doubling of the probability of dying from any cause during the following 10 years is associated with the inability to stand on one leg for 10 seconds in mid- to later life. This is according to new research findings published on June 21, 2022, in the British Journal of Sports Medicine.
According to the researchers, this simple and safe balance test could be included in routine health checks for older adults.
Balance typically remains quite well preserved until the sixth decade of life, when it starts to deteriorate relatively quickly, the researchers say, in contrast to aerobic fitness, muscle strength, and flexibility.
However, balance assessment isn’t routinely included in health checks of middle-aged and older men and women. This is possibly because there isn’t any standardized test for it, and there is little hard data linking balance to clinical outcomes other than falls.
The scientists, therefore, wanted to find out whether a balance test might be a reliable indicator of a person’s risk of death from any cause within the next decade, and, as such, might therefore merit inclusion in routine health checks in later life.
The researchers drew on participants in the CLINIMEX Exercise cohort study. This was set up in 1994 to assess associations between various measures of physical fitness, exercise-related variables, and conventional cardiovascular risk factors, with ill health and death.
The current analysis included 1702 participants aged 51–75 (an average of 61) at their first checkup, between February 2009 and December 2020. Around two-thirds (68%) were men.
Weight and several measures of skinfold thickness plus waist size were taken. Details of medical history were also provided. Only those with stable gait were included.
As part of the check-up, participants were asked to stand on one leg for 10 seconds without any additional support.
To improve the standardization of the test, participants were asked to place the front of the free foot on the back of the opposite lower leg, while keeping their arms by their sides and their gaze fixed straight ahead. Up to three attempts on either foot were permitted.
In all, around 1 in 5 (20.5%; 348) participants failed to pass the test. The inability to do so rose in tandem with age, more or less doubling at subsequent 5-year intervals from the age of 51–55 onwards.
The proportions of those unable to stand on one leg for 10 seconds were: nearly 5% among 51–55 year-olds; 8% among 56–60 year-olds; just under 18% among 61–65 year-olds; and just under 37% among 66–70 year-olds.
More than half (around 54%) of those aged 71–75 were unable to complete the test. In other words, people in this age group were more than 11 times as likely to fail the test as those just 20 years younger.
During an average monitoring period of 7 years, 123 (7%) people died: cancer (32%); cardiovascular disease (30%); respiratory disease (9%); and
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