Time to join the Hares.

I walk fast. I walk so fast that I once did speed walking for my 6th grade track team. I won the “Hare Award” at my office for swiftly speeding down our mile long hallways at unclockable speeds. I’ve managed to train my 5 foot best friend from high school to walk as fast as me and I bet now she is thanking me because MSN just came out with this uplifting health study that individuals who walk fast live longer! HA!

Next time someone tells me to slow down, instead of saying ” I can’t help it, my legs are too long” I may change my tune to ” I’m just trying to extend my life span, maybe you should pick it up!”.

Walk faster and you just might live longer

Researchers find that walking speed can help predict longevity

Doctors who are interested in measuring life expectancy may now have a simple way to do it — researchers have discovered that walking speed can be a useful predictor of how long older adults live.

Those who walked 1 meter per second (about 2.25 mph) or faster consistently lived longer than others of their age and sex who walked more slowly, the study showed.

“We’re able to show that a person’s capacity to move strongly reflects vitality and health,” said study researcher Dr. Stephanie Studenski, a professor of medicine at the University of Pittsburgh.

However, the researchers also emphasized that the purpose of this study wasn’t to get people to walk faster in hopes of living longer.

“Your body chooses the walking speed that is best for you, and that is your speed, your health indicator,” Studenski said. “And that’s what it really is: an indicator. Going out and walking faster does not necessarily mean you will suddenly live longer. You still need to address the underlying health issues.”

The researchers showed they could reliably predict the 10-year survival rate of a group of people based on how fast they walked along a 4-meter track.

The walking speed for those with the average life expectancy was about 0.8 meters per second (about 1.8 mph) for most age groups of both sexes. Walking speed was a more accurate predictor of life expectancy than age or sex, the study showed.

The numbers were especially accurate for those older than 75. This suggests that for older people, walking speed could be a sort of “vital sign,” like blood pressure and heart rate, the researchers said.

“When you think about it, a sick person would not have that certain spring in their steps. Therefore, it should not be surprising that walking speed can provide a simple glimpse into aging and health status,” Studenski said.

The findings were based on analysis of nine previous studies that examined the walking speed, sex, age, body mass index, medical history and survival rate of almost 34,500 people.

The way we walk and how quickly we can walk depends on our energy, movement control and coordination, which, in turn, requires the proper functioning of multiple body systems, including the cardiovascular, nervous and musculoskeletal systems, Studenski told MyHealthNewsDaily. Because of this, researchers have associated walking speed with health in the past.

“But in the past, we simply knew that walking faster was better,” said Dr. Matteo Cesari, who wrote an editorial accompanying the new findings, but was not involved in the study.

“This study provides us the numerical basis to estimate survival for each walking speed measured on an older person,” Cesari said.

“When we measure, for example, blood pressure, we need a cut-off point to understand whether it is normal or not. Similarly, we now have a cut-off point to understand whether the overall health of a person is normal for his/her age by simply testing their walking speed,” Cesari told MyHealthNewsDaily.

Studenski said this finding will have many practical applications. It is a quick and inexpensive way for seniors to gauge their own health. Similarly, doctors can monitor and remedy their patients’ quality of life based on this. Walking speed, and in turn, mobility, will be a useful way to measure whether someone is still maintaining a healthy, active and independent lifestyle.

The study will be published tomorrow (Jan. 5) in the Journal of the American Medical Association.

http://www.msnbc.msn.com/id/40914372/ns/health-fitness/

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