A new study of runners at Harvard University concluded that while it was hard to predict with certainty who would get hurt, those runners who landed on their heels were considerably more likely to get hurt than forefoot or mid-foot strikers, often multiple times during a year.
But before you run barefoot or buy a pair of minimal-support shoes — both of which may make heel-striking less likely — the researchers urge caution. “If you’re not getting hurt,” one author of the study, Dr. Lieberman, says, “then absolutely [don’t change your footwear.] If it’s not broke, don’t fix it.” However, says co-author Mr. Daoud, “if you have experienced injury after injury and you’re a heel-striker, it might be worth considering a change.” For more about the study, see this New York Times article: http://well.blogs.nytimes.com/2012/02/08/why-runners-get-injured/
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