3D muscle reconstruction reveals 3.2-million-year-old “Lucy” could stand upright like modern humans

3D muscle reconstruction reveals 3.2-million-year-old “Lucy” could stand upright like modern humans

An intersection of polygonal muscle modeling approach guided by muscle scar and MRI data. Credit: Dr. Ashley Wiseman Digital modeling of the soft tissue of the legendary fossil shows that Australopithecus afarensis had powerful leg and hip muscles for tree-dwelling, but knee muscles that allowed it to walk fully upright. A University of Cambridge researcher…

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