Daily Moderate Exercise Increases Senior Mobility

Health professionals have long maintained that for older adults, physical activity is important for keeping good health. Now, a new study demonstrates just how important it is. According to research led by the University of Florida and the University of Maryland, daily moderate exercise can mean the difference between becoming housebound or keeping up with everyday activities.

The researchers analyzed 1,635 participants ages 70 to 89 from eight different study centers across the US. All participants had sedentary behavior. At study baseline, subjects were able to walk a quarter of a mile (400 meters) in 15 minutes but were at high risk of losing their mobility.

Moderate exercise ‘increased walking ability and reduced disability’

The participants were randomly assigned to one of two groups. The first group consisted of 818 individuals who were required to carry out daily moderate exercise. This involved walking 150 minutes a week and carrying out strength, flexibility and balance training. These subjects were monitored twice a week.

Older couple walking
Daily moderate exercise among study participants ages 70 to 89 reduced loss of mobility by 28% and increased walking ability by 18%, according to researchers.

The second group, made up of 817 participants, were required to attend health education classes and perform stretching exercises.

All subjects were assessed every 6 months for an average of 2.6 years. At each assessment, staff members from each study center looked at participants’ walking ability, body weight, pulse rate and blood pressure, among other measurements of health. Staff members were unaware of what group participants were assigned to.

At the end of the study period, the researchers found that individuals in the moderate exercise group had an 18% higher walking ability than those in the education classes group. In addition, moderate exercise was associated with a 28% reduction in the loss of mobility – determined by the ability to walk 400 meters.

Commenting on the findings, Guralnik says:

“The very purpose of the study is to provide definitive evidence that physical activity can truly improve the independence of older adults.

The fact that we had an even bigger impact on persistent disability is very good. It implies that a greater percentage of the adults who had physical activity intervention recovered when they did develop mobility disability.”

Research ‘critical’ to establishing lifestyle recommendations for seniors

According to Wendy Kohrt, PhD, a professor at the University of Colorado who reviewed the study’s scientific merit before it was launched, research such as this is “critical” to determining what lifestyle recommendations should be made for older adults.

“There is a general belief among the public and the scientific and medical communities that we know exercise is good for you, so why do we need to do more research in this area?” she says.

“However, we still do not know whether certain types or doses of exercise are better than others, particularly for specific health conditions or diseases. The LIFE trial demonstrated that a modest increase in physical activity has the potential to help older adults maintain functional independence.”

As well as the benefits of moderate exercise on the mobility of older adults, the researchers say they plan to draw other data from the study. This will include how physical activity impacts participants’ emotional well-being and social, physiological and biological factors.

Written by Honor Whiteman of Medical News Today

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