Word: fors
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Dates: during 2000-2009
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Perhaps because it seems intuitively true, the notion persists that running, especially when done long-term and over long distances, is bad for the joints. Indeed, it would be hard to think otherwise when with each foot strike, a runner's knee withstands a force equal to eight times his...
In a well-known long-term study conducted at Stanford University, researchers tracked nearly 1,000 runners (active members of a running club) and nonrunners (healthy adults who didn't have an intensive exercise regimen) for 21 years. None of the participants had arthritis when the study began, but many...
Together, the findings lend support to the theory that osteoarthritis, which affects nearly 20 million Americans, is caused mainly by genes and risk factors like obesity (obese men and women are at least four times as likely to become arthritic as their thinner peers), rather than daily exercise or wear...
That's not to say that there are no risks in running. It can sometimes cause soft-tissue injuries and stress fractures, also called hairline fractures, which result from the compounding of tiny cracks in the bone over time. It's not uncommon for such tiny cracks to appear in...
Study author Brent Edwards, now at the University of Illinois in Chicago, says he "would never recommend stride reduction to a competitive runner," but he suggests the technique for people with a history of stress fractures, like former athletes. The biggest risk factor for stress fractures, he notes, is simply...