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        Part of Your Inner Fish
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        Walking like a Human | Your Inner Fish

        These two images from Your Inner Fish show the difference between chimpanzee and hominid walking patterns — one major step in our human evolution. Chimpanzees walk with their knees directly below their hips, giving them a waddling gait. Hominids like the Australopithecus afarensis (a species known for the famous "Lucy" skeleton) walked with their knees tucked inward, giving them a more energy efficient stride. We humans walk the same way that Lucy did 3.2 million years ago.

        Walking like a Chimp

        Chimpanzees walk with their knees directly below their hips, giving them a waddling gait.

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        Walking like Lucy

        Hominids like the Lucy (Australopithecus afarensis) walked with their knees tucked inward, giving them a more energy efficient stride.

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