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Running May Be Good for Knees

Runners' 'motion groove' can prevents arthritis in old age

By Nick McMaster,  Newser Staff

Posted Aug 12, 2009 3:33 PM CDT

(Newser) – Conventional wisdom holds that running will eventually trash your knees by wearing down their cartilage, ultimately leading to arthritis. But that may have to be revised: Recent studies suggest that runners may have healthier knees in old age than their sedentary peers, reports Gretchen Reynolds for the New York Times. Scientists theorize that runners’ knees develop a “motion groove” that conditions the cartilage to support rhythmic stress, protecting it into old age.

To wit, one 2008 Stanford study found that while runners in their 50s and 60s had more arthritic symptoms than a control group, they were less likely to develop the full-blown condition in their 70s and 80s. The exception is those with a knee injury in their history, which can upset the alignment and allow the joint to fall into motions that wear away the cartilage. So to keep from ruining your knees, says Reynolds, keep running, but avoid injury—or, in the event of one, see a doctor.

Jamaica's Usain Bolt, center, triple Olympic gold medalist, jogs as he poses for photographs with local schoolchildren in London, Tuesday, July 21, 2009.
Jamaica's Usain Bolt, center, triple Olympic gold medalist, jogs as he poses for photographs with local schoolchildren in London, Tuesday, July 21, 2009.   (AP Photo/Matt Dunham)
Running may do more good than harm to your knees.
Running may do more good than harm to your knees.   (Flickr)
Hope Solo, goalkeeper of the United States women's soccer team, jogs during a training session Tuesday, March 10 2009, in Montechoro, southern Portugal.
Hope Solo, goalkeeper of the United States women's soccer team, jogs during a training session Tuesday, March 10 2009, in Montechoro, southern Portugal.   (AP Photo/Armando Franca)
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COMMENTS
Showing 3 of 8 comments
youngblood
Aug 13, 2009 5:14 AM CDT
And as soon as everyone starts running from this report, you just watch, in another 2 years another report will come out saying that running will destroy your knees!
rajanKazhmin
Aug 13, 2009 1:34 AM CDT
Yeah I've heard about that barefoot stuff before. I'm not convinced. My running shoes feel awesome. Hard to argue with results.
Nwambe
Aug 13, 2009 1:05 AM CDT
Those advocates of 'running without shoes because that's how our ancestors did it' are tools. Our ancestors never ran on concrete, which is incredibly rigid and returns a lot of energy from a striking object. If your foot happens to be that striking object, you feel the vibration up and down your leg to your lower back and spine. Shoes are necessary to protect feet, knees, and spines from undue and injurious wear.

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