3D muscle reconstruction shows 3.2 million-year-old “Lucy” walked upright

"Lucy’s muscles suggest that she was as proficient at bipedalism as we are."

https://arstechnica.com/science/2023/06/3d-muscle-reconstruction-shows-3-2-million-year-old-lucy-walked-upright/?utm_brand=arstechnica&utm_social-type=owned&utm_source=mastodon&utm_medium=social