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Taking Your Dog For A Walk Can Help Older Adults Live Longer

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During the monitoring period, which averaged around five years, 194 of the men died. Pixabay
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Even a few minutes of light exercise daily, such as gentle gardening or taking the dog for a walk, can help the elderly live longer, suggests new research.

“(The) results suggest that all activities, however modest, are beneficial. The finding that (low-intensity physical activity) is associated with lower risk of mortality is especially important among older men, as most of their daily physical activity is of light intensity,” said the researchers led by Barbara Jefferis of University College London.

Clocking 150 minutes of weekly physical activity of any level, even if accumulated in short bouts, might be critical, suggest the findings published online in the British Journal of Sports Medicine.

ALSO READ: Not Health, But Happiness Is the Reason behind Outdoor Dog Walking

Current exercise guidelines recommend accumulating at least 150 minutes a week of moderate to vigorous physical activity in bouts lasting 10 or more minutes. But such a pattern is not always easy for older adults to achieve, the researchers said.

To find out if other patterns of activity might still contribute to lowering the risk of death, the researchers drew on data from the British Regional Heart Study.

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The final analysis of the study was based on more than 1,000 men, whose average age was 78. Pixabay

 

They were asked to wear an accelerometer — a portable gadget that continuously tracks the volume and intensity of physical activity — during waking hours for seven days.

ALSO READ: Owning a Dog may help Older Adults to be more Active: Study

The accelerometer findings indicated that total volume of physical activity, from light intensity upwards, was associated with a lower risk of death from any cause.

Each additional 30 minutes a day of light intensity activity was associated with a 17 percent reduction in the risk of death, the study said.

While the equivalent reduction in the risk of death was around 33 percent for each additional 30 minutes of moderate to vigorous intensity physical activity a day, the benefits of light intensity activity were large enough to mean that this too might prolong life.

And there was no evidence to suggest that clocking up moderate to vigorous activity in bouts of 10 minutes or more was better than accumulating it in shorter bouts, the study said. (IANS)

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Now Paralyzed Can Also Walk Due To Exoskeleton Technology

Technology helps in walking

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Patrick Wensing tests out an Ekso Bionics exoskeleton in his lab at the University of Notre Dame. He and his team are working to make the machines more intuitive.
Patrick Wensing tests out an Ekso Bionics exoskeleton in his lab at the University of Notre Dame. He and his team are working to make the machines more intuitive. VOA

An accident, a stroke, or a disease can leave someone paralyzed and unable to walk. That happens to more than 15 million people around the world each year.

But new technological advances and physical therapy could help some of them walk again.

Among the most promising is the use of robotic exoskeletons, like one made by Ekso Bionics. It looks a bit like a backpack that straps on the user’s back and around the midsection. Robotic ‘legs’ complete with foot panels extend from either side of the pack and wrap around the patient’s legs. A video game-style controller attaches to the pack with a long cord.

The EksoGT robotic exoskeleton is being used in more than 200 rehabilitation centers around the world, including Marianjoy Rehabilitation Hospital.
The EksoGT robotic exoskeleton is being used in more than 200 rehabilitation centers around the world, including Marianjoy Rehabilitation Hospital. VOA

“I’m going to be a robot!”

Lindsey Stoefen has been doing physical therapy with the exoskeleton for an hour a day, as she works to recover from the rare disorder that put her in a wheelchair in October.

The 17-year-old athlete climbed into a specially designed exoskeleton for the first time in late April, after becoming an in-patient at Marianjoy Rehabilitation Hospital in Chicago.

She recalls being nervous. “I was like ‘Dang, I’m going to be a robot!’ I was scared at first. I was like, ‘Am I going to like it? Will I be okay?’ And once I got into it, I loved it.”

Lauren Bularzik, Lindsey’s physical therapist, says the exo robots help to accelerate the rehabilitation process. “For someone who takes a lot of energy to only walk a few feet, exo can get them up, can get them moving, it can supplement their movements, get that reciprocal pattern, encourage the correct motor planning.”

Beside speeding up recovery times, these robotic skeletons are especially helpful for those with paralysis, from spinal cord injuries and strokes. Using the machine can help some patients rewire their brains to use secondary muscles, so they can eventually walk again – without the device.

The downside

Scientists at the University of Notre Dame are leading the way with their work on wearable robots that allow patients to regain some or all of their mobility. But Patrick Wensing, assistant professor of mechanical engineering, says exoskeletons have one big drawback.

Bionic exoskeleton helps wheelchair users stand and walk
Bionic exoskeleton helps wheelchair users stand and walk. Flickr

“While existing exoskeletons are very powerful, they don’t understand what the user wants to do. So in order to transition between activities in daily life, you often have to press a button interface to tell the exoskeleton ‘I would like to stand up now.’”

Wensing and his team are collaborating with Ekso Bionics, a leading developer of wearable robots, to create a machine that can understand what its user wants to do without implanted sensors and complicated control panels.

The new three-year project funded by The National Science Foundation’s robotic initiative, hopes to achieve a more fluid, intuitive system.

Taylor Gambon has spent the last year analyzing data from exoskeleton users and comparing them to models of everyday walking. “What we’re seeing is that slow walking in general, whether in the exoskeleton or just the human, is much different from walking at a speed that you would choose naturally.”

Also read: Heart patients who walk faster hospitalised less

Later this year, the team will travel to Ekso Bionics’ California headquarters, where they will work directly with exoskeletons to design programs that interact with users of various disabilities, so that more people like Lindsey Stoefen can get back on their feet again. (VOA)