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Posts Tagged ‘erect’

Walking on all four’s

February 20th, 2017 by Lauren

Although man stands on two legs, his skeleton was originally designed to stand on all four. The result is some ingenious adaptions, not all of them successful. Scientists suggest that when humans started walking upright, a terrific mechanical imbalance resulted. When walking on two legs, backaches became common since the spine was ‘deformed’ when humans […]

Blue Distinction Center for Spine Surgery