Exercise a Likely Tool for Parkinson's Patients11/09/12
FRIDAY, Nov. 9 (HealthDay News) -- Patients with Parkinson's
disease can improve walking, muscle strength and fitness with
moderate exercise, a new study finds.
Difficulty walking is a hallmark of this central nervous system
disorder, and current treatments don't preserve mobility as the
disease progresses. Moderate exercise may help preserve mobility,
the researchers said.
"This study shows that treadmill training and resistance exercise are both effective to improve walking in Parkinson's disease," said lead researcher Dr. Lisa Shulman, medical director of the Neurology Ambulatory Center at the University of Maryland School of Medicine, in Baltimore.
"Walking problems are among the most disabling symptoms of Parkinson's disease," she said. "The study suggests that the combination of treadmill and resistance training may be a particularly good approach in Parkinson's disease."
The report was published in the Nov. 5 online edition of the
Archives of Neurology.
To see if exercise would be of benefit, Shulman's team randomly
assigned 67 patients with Parkinson's disease who had trouble
walking to high-intensity treadmill walking, low-intensity
treadmill walking or stretching and resistance exercises. All
groups exercised three times a week for three months.
All three groups showed improvement. The most effective
exercise, however, was low-intensity treadmill walking, which
increased six-minute walking distance by 12 percent. High-intensity
treadmill walking improved distance by 6 percent, the researchers
Both treadmill groups improved cardiovascular fitness, while
stretching and resistance exercises improved muscle strength by 16
percent, they noted.
"Different types of exercise result in different types of improvements in Parkinson's disease," Shulman said.
"People with Parkinson's disease do not need to perform very strenuous exercise to obtain important benefits," she added. "Walking at a normal pace for longer periods of time -- 50 minutes three times per week -- is effective."
Another expert, Dr. E. Ray Dorsey, director of the Parkinson's
Disease and Movement Disorders Center at Johns Hopkins University
School of Medicine, in Baltimore, said exercise can give people
with Parkinson's disease greater control over their health.
"This adds to increasing evidence that exercise improves walking, and when they stop they tend to do worse," said Dorsey, co-author of an accompanying journal editorial. "I hope this study adds to the evidence that exercise should be the standard of care."
Other treatments also are improving motor function in patients
with Parkinson's disease. A study published in the June 20 issue of
Neurologyshowed that deep brain stimulation, which involves
implantation of wires that deliver an electrical current to the
brain, could improve motor function for at least three years in
people with advanced Parkinson's disease.
According to Dr. Mark Stacy, professor of neurology at Duke
University Medical Center in Durham, N.C., about 1 million people
in the United States have Parkinson's disease, and about 5 percent
of them could be candidates for deep brain stimulation.
For more information on Parkinson's disease, visit the
U.S. National Institute of Neurological Disorders and
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