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- Why We Swing Our Arms While Walking
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Have you ever wondered why we swing our arms while walking?
It's a curious phenomenon, since arms don't play an obvious role in locomotion. You can still walk normally when your arms are full of groceries or with your hands in your pockets, so why do we do it? Isn't it a waste of energy?
Two independent studies, both published in 2009, may provide some answers to this mystery.
Find out more on this A Moment of Science...
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Have you ever wondered why we swing our arms while walking?
It's a curious phenomenon, since arms don't play an obvious role in locomotion. You can still walk normally when your arms are full of groceries or with your hands in your pockets, so why do we do it? Isn't it a waste of energy?
Two independent studies, both published in 2009, may provide some answers to this mystery.
Find out more on this A Moment of Science...
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