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Stretching and PerformanceResearch physiologists at Nebraska Wesleyan University made the headlines in 2009 when theypublished study results indicating that more flexible runners had lower running economy (how efficiently they use oxygen) than runners with tight hamstrings. Consequently, those runners were faster than the 'flexible' runners. Yes, it was a very small study, and yes, they only measured sit and reach scores. But the results were still a bit surprising and brought more attention to the question: To should or not to stretch ?
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