Please ensure Javascript is enabled for purposes ofwebsite accessibilitySwinging Your Arms Doesn't Help Your Workout
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Swinging Your Arms Doesn't Help Your Workout
Swinging Your Arms Doesn't Help Your Workout
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Swinging Your Arms Doesn't Help Your Workout


A new study found that swinging your arms doesn't really make you run that much faster. Athletes ran sprints with their arms crossed, and it only slowed them down by less than 2 percent. So there's really no need to be dramatic. For more trending stories, watch the full clip!