Fitness News for Senior Citizens

Fitness News

Seniors stop cognitive decline by improving fitness - even in early Alzheimer’s

Exercise appears to increase thickness of brain cortex often damaged by AD

Jan. 21, 2015 - Seniors can stop cognitive decline – even those diagnosed with mild cognitive impairment (MCI) – with an exercise program of moderate intensity, according to a new study. It is the first to discover that exercise and improved fitness can impact cortical thickness in the brains of older adults diagnosed with MCI.

The recent study finds that older adults that improved their fitness through a moderate intensity exercise program increased the thickness of their brain's cortex, the outer layer of the brain that typically atrophies with Alzheimer's disease, according to research from the University of Maryland School of Public Health.

These effects were found in both healthy older adults and those diagnosed with MCI, an early stage of Alzheimer's disease.

"Exercise may help to reverse neurodegeneration and the trend of brain shrinkage that we see in those with MCI and Alzheimer's," says Dr. J. Carson Smith, associate professor of kinesiology and senior author of the study, published in the Journal of the International Neuropsychological Society on Nov. 19, 2015.

 

"Many people think it is too late to intervene with exercise once a person shows symptoms of memory loss, but our data suggest that exercise may have a benefit in this early stage of cognitive decline."

The previously physically inactive participants (seniors ages 61-88) were put on an exercise regimen that included moderate intensity walking on a treadmill four times a week over a twelve-week period.

On average, cardiorespiratory fitness improved by about 8% as a result of the training in both the healthy and MCI participants.

The atrophy of the brain's cortical layer is a marker of Alzheimer's disease progression and correlates with symptoms including cognitive impairment.

Dr. Smith and colleagues found that the study participants who showed the greatest improvements in fitness had the most growth in the cortical layer, including both the group diagnosed with MCI and the healthy elders.

While both groups showed strong associations between increased fitness and increased cortical thickness after the intervention, the MCI participants showed greater improvements compared to healthy group in the left insula and superior temporal gyrus, two brain regions that have been shown to exhibit accelerated neurodegeneration in Alzheimer's disease.

Dr. Smith previously reported that the participants in this exercise intervention showed improvements in neural efficiency during memory recall, and these new data add to the evidence for the positive impact of exercise on cognitive function.

Other research he has published has also shown that moderate intensity physical activity, such as walking for 30 minutes 3-4 days per week, may protect brain health by staving off shrinkage of the hippocampus in older adults.

Dr. Smith plans future studies that include more participants engaging in a longer-term exercise intervention to see if greater improvements can be seen over time, and if the effects persist over the long term. The key unanswered question is if regular moderate intensity physical activity could reverse or delay cognitive decline and help keep people out of nursing homes and enable them

"Improved Cardiorespiratory Fitness Is Associated with Increased Cortical Thickness in Mild Cognitive Impairment" was written by Katherine Reiter, Kristy A. Nielson Theresa J. Smith, Lauren R. Weiss, Alfonso J. Alfini and J. Carson Smith and published in the Journal of the International Neuropsychological Society.


Related Fitness News from Senior Journal Archives

Older women with strong legs have strong brains, too

Study of twins age 43-73 over 10 years - by Ken Bowen

Jan. 18, 2016

Another study proves exercise means better memory for senior citizens

senior couple walking for exerciseMany studies find fitness equals better mental ability – this one links it mostly to long-term memory

By Tucker Sutherland, editor, SeniorJournal.com

Nov. 24, 2015

Aging brains protected by aerobic endurance that maintains brain connectivity

Benefits of fitness for senior brains may not depend on being extremely fit - Nov. 5, 2015

Older men with best fitness perform better mentally, too

They use the brain regions they did when they were young, researchers think it works for women, too -Oct. 23, 2015

Olga Sotelo, 93-year-old Canadian track-and-field athleteIs cognitive loss in aging brain stopped, reversed by elderly super athletes?

Research has begun with female track star at age of 93 with 750 gold medals (link to video in story) - Aug. 18, 2015

Five top fitness activities senior citizens can do easily at home

All seniors know they need exercise and here are some easy ways to get it - May 28, 2015

Seniors with fastest aging brains have worst physical fitness

Too many seniors don't start worrying about their brain health until later in life - March 5, 2015

More at Fitness Section Page

Follow on  and 

 

> Medical Malpractice,

> Nursing Home Abuse,

> Personal Injury

Our Experienced Lawyers Can Help

Beth Janicek, Board Certified Personal Injury Attorney"We win because we care, we prepare and we have no fear," Beth Janicek, board certified personal injury attorney

 

Free Consultation on your case.

Call Now Toll Free

1-877-795-3425

or Send Email

More at our Website