So, in classical (Greco-Roman) visual arts there were some pretty serious studies about proportions and how to portray humans. This is why there are some pretty distinguishable styles. This one I think is an example of contrapposto, which is supposed to give the idea of movement, and increases perceived attractiveness. Not different from modern day influencer posing to take photos that, to our eyes, look very natural but make them prettier.
So, in classical (Greco-Roman) visual arts there were some pretty serious studies about proportions and how to portray humans. This is why there are some pretty distinguishable styles. This one I think is an example of contrapposto, which is supposed to give the idea of movement, and increases perceived attractiveness. Not different from modern day influencer posing to take photos that, to our eyes, look very natural but make them prettier.