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    Stretching before running doesn't prevent injury

    Consumer Reports News: February 24, 2011 09:56 AM

    That's the finding of a study presented at the Annual Meeting of the American Academy of Orthopaedic Surgeons. It counters a long-held tradition among many exercisers, but is actually consistent with a growing body of research that suggests that stretching before working out doesn't prevent soreness or exercise-related injury, and doesn't boost athletic performance much, either.

    In the current study, which has not yet been published in a peer–reviewed journal, researchers divided 1,398 people 14 and older who ran at least 10 miles a week, into two groups. Half stretched their calves, hamstrings, and quadriceps for 3 to 5 minutes before running; the others did no stretching. The injury rate for both groups was the same: 16 percent. However, those who switched from their normal routine were more likely to get injured, especially those who usually stretched who were asked not to.

    Results did not differ depending on age, gender, or distance run. But regardless of stretching regimen, injuries were more likely the heavier the runner, the older the runner, the greater the distance run, and among those who had a history of injury.
     
    While the findings don't show a benefit for stretching before you run, that doesn't mean you shouldn't stretch at all. Stretching can improve your range of motion, coordination, balance, and posture, all of which make it easier not only to exercise but also to move through your daily activities. Our exercise consultants say it's best to stretch after you're workout, when your muscles are warmed. That both reduces your risk of injury from the stretching itself, and allows maximum gains in flexibility.

    Kevin McCarthy, associate editor

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