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Walking ability after stroke improves with arm exercise


Walking ability after stroke improves with arm exercise

Researchers from the University of Victoria in British Columbia, Canada have conducted a new study to test the influence of arm training on post-stroke leg function and found that arm exercises may improve walking ability after a stroke. These results could have a large impact on stroke rehabilitation, even years after injury. The study published as an AP Select article ahead of print in the Journal of Neurophysiology. 

Researchers worked with a group of older adults who had had a stroke between 7 months and 17 years prior to the study. The volunteers participated in three 30-minute, moderate-intensity arm cycling training sessions each week for five weeks. The research team measured the volunteers’ physical abilities before and after arm training using several standardized scales and tests of physical function, including:

  • Six Minute Walk, which measures how far a person can walk in six minutes;
  • Timed 10 Meter Walk, which measures how quickly a person can walk 10 meters; and the
  • Timed Up and Go, which measures the time it takes to stand up from a seated position, walk 10 feet, turn around, walk back and sit down again.

The researchers also tested electrical activity in the muscles and stretch reflexes in the lower legs and wrists during both arm cycling and walking tests.

The participants improved their performance significantly on all of the walking tests — as much as 28 percent in the Timed Up and Go test. Several volunteers had less tightness in their muscles after completing the arm cycling trial, but there was no significant change in grip strength. Nerve activity increased during arm cycling as well. “Arm cycling training activated interlimb networks that contribute to the coordination of rhythmic walking,” the researchers wrote. In other words, nerves in the arms activated and adapted to improve function of the spinal cord in other areas of the body, such as the legs, affected by stroke.

“Although improvements in walking may not be as robust as those from other training modalities, they do highlight the integral role that training the arms can have on rehabilitation of human locomotion,” the research team wrote.

For more details click on the link: Journal of Neurophysiology, 2017; DOI: 10.1152/jn.00570.2017

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Anjali Nimesh

Anjali Nimesh

Anjali Nimesh Joined Medical Dialogue as Reporter in 2016. she covers all the medical specialty news in different medical categories. She also covers the Medical guidelines, Medical Journals, rare medical surgeries as well as all the updates in medical filed. She is a graduate from Dr. Bhimrao Ambedkar University. She can be contacted at editorial@medicaldialogues.in Contact no. 011-43720751
Source: Press Release

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