Reduced physical activity reduces life span

Credit: Suprijono Suharjoto | Dreamstime.com

(Medical Xpress)— A regular exercise regimen will increase life expectancy in the elderly, new research has found.

The Monash University-led study examined the significance of weight and physical function and the interaction on mortality in 1435 men and women aged 65 to 97 years, living in the community and representative of the Taiwanese population.

The results of the eight-year study were recently published in the Journal of Nutrition, Health and Aging. The study also included researchers from the National Research Institutes, Taiwan and the National Defense Medical Centre, Taiwan.

Lead author, Emeritus Professor Mark Wahlqvist from Monash University's Department of Epidemiology and and the Monash Asia Institute, said being frail or losing weight was generally regarded as a major risk for reduced survival among the elderly.

"We found thin, elderly Taiwanese with sarcopenia – a condition of age-related loss of muscle mass and strength - and less skeleton are at the most risk of death, especially if physical function is limited. Those within the normal weight range or even overweight and active had a longer life expectancy with fewer health problems," Emeritus Professor Wahlqvist.

Survival was assessed in relation to weight and , along with physical function such as walking, climbing, performing daily chores and personal care.

The researchers found weight in relation to height ( (BMI) = /height2) was twice as likely to shorten the survival of the elderly when low (BMI < 18.5) than high (above 24.0). This increased to nine times more likely when combined with limited physical function. The findings took into account factors such as age, gender, socio-economics and personal behaviours that could have explained the association.

Emeritus Professor Wahlqvist said although this was not an , it raised the possibility that if physical function could be maintained, then mortality could be markedly reduced in this older age group.

"In light of these figures, both those in public health and clinicians need to look at preventive approaches or intervention strategies that might achieve better survival in older people in regard to thinness and physical dysfunction," Emeritus Professor Wahlqvist said.

"Even small changes involving modest regular physical aerobic and strengthening activities for several days a week could make a substantial difference in health outcomes for the elderly."

More information: DOI: 10.1007/s12603-012-0379-3

Related Stories

Recommended for you

AMA examines economic impact of physicians

3 hours ago

(HealthDay)—Physicians who mainly engage in patient care contribute a total of $1.6 trillion in economic output, according to the American Medical Association (AMA)'s Economic Impact Study.

Less-schooled whites lose longevity, study finds

3 hours ago

Barbara Gentry slowly shifts her heavy frame out of a chair and uses a walker to move the dozen feet to a chair not far from the pool table at the Buford Senior Center. Her hair is white and a cough sometimes interrupts her ...

How to keep your fitness goals on track

4 hours ago

(HealthDay)—The New Year's resolutions many made to get fit have stalled by now. And one expert thinks that's because many people set their goals too high.

Suddenly health insurance is not for sale

Apr 18, 2014

(HealthDay)— Darlene Tucker, an independent insurance broker in Scotts Hill, Tenn., says health insurers in her area aren't selling policies year-round anymore.

User comments