Distance runners who stretch before running may not be able to run as far-and yet spend more energy doing it, according to a study in The Journal of Strength and Conditioning, official research journal of the National Strength and Conditioning Association. The journal is published by Lippincott Williams Wilkins, a part of Wolters Kluwer Health, a leading provider of information and business intelligence for students, professionals, and institutions in medicine, nursing, allied health, and pharmacy.

"Our results suggest that stretching before an endurance event may lower endurance performance and increase the energy cost of running," write Jacob M. Wilson, PhD, CSCS, and colleagues of The Florida State University, Tallahassee.

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