Proko | Art Pop Quiz! @ProkoTV | Uploaded December 2023 | Updated October 2024, 1 hour ago.
Pop quiz time! Do you know the name of this upper back muscle??

Hint: it's in the shape!

Check out our 12 Days of Proko drawing challenge with artist livestreams, prizes and free reference photos!

proko.com/12days


#artchallenge #anatomy #quiz