Public Domain Mark
You can use this work for any purpose without restriction under copyright law. Read more about this licence.
Credit
Muscles of the legs and feet: an écorché figure, shown from behind, kneels to reveal the sole of the left foot. Colour mezzotint by J. F. Gautier d'Agoty after himself, 1759. Wellcome Collection. Public Domain Mark. Source: Wellcome Collection.