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Should Runners Save Their Soles,[link widoczny dla zalogowanych]
This stopped the conversation cold. You'd have thought they claimed to support terrorism against puppies.
Barefoot or minimalist shoes have garnered quite the rabid fan base in the past few years. He and other barefoot proponents believe that retraining your 21st century foot to stay up off the heel will result in fewer sore knees and swollen ankles.
Not everyone is on board with this idea however,[link widoczny dla zalogowanych]. It's a hotly debated subject that apparently will get you snubbed at parties,[link widoczny dla zalogowanych]. It's also started some pretty spirited disagreements in the lab,[link widoczny dla zalogowanych].
"When you run closer to the forefoot as you do with barefoot running or when you practice a barefoot running style you lose what we call the initial impact peak, which is the force that shoots up through your ankles,[link widoczny dla zalogowanych], knees and hips and this might be injury protective,[link widoczny dla zalogowanych]," said Reed Ferber,[link widoczny dla zalogowanych], director of the Running Injury Clinic at the University of Calgary in Canada. "That being said, you also shorten your stride length,[link widoczny dla zalogowanych], so you take more footfalls. This means you'll absorb more maximum load over time,[link widoczny dla zalogowanych], which could potentially be more injury causative."
Do Running Shoes Affect Injury Risk,[link widoczny dla zalogowanych]?
Studies have found that the average barefoot runner's stride is about seven centimeters shorter than normal. Over the course of a marathon, that translates to about 7,[link widoczny dla zalogowanych],000 additional footfalls above the 40,[link widoczny dla zalogowanych],000 steps a typical racer will take to cover the 26.2-mile distance.
"There's less force per step, but that's a lot of extra steps to take where something potentially can go wrong,[link widoczny dla zalogowanych]," Ferber said.
Though no major studies have been completed to show whether barefoot runners are sidelined more or less often than those wearing conventional shoes -- Ferber's lab currently has one under way -- based on the evidence so far, Ferber said he feels it's a push. "I suspect they probably trade one type of injury for another."
Irene Davis, professor in the program of physical therapy at the University of Delaware, couldn't disagree more.
"I believe that when you take your shoes off,[link widoczny dla zalogowanych], you run the way you are meant to run,[link widoczny dla zalogowanych]," Davis said. "And when you do that you will not land on your heel for one simple reason -- it hurts!"相关的主题文章：

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