Why are narrow hips considered better for running faster? - Quora
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What are the bio-mechanical reasons why top female runners, from sprinters to distance runners, all have narrow hips? - Quora
Which leg muscles make you run faster? - Quora
Will running make my hips smaller? I've seen a lot of people say that running makes hips smaller, but my goal is to make them bigger so I am worried about this.
How do wider hips affect running, biomechanically speaking? - Quora
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