He has a 'muscular' physique.
His legs are very 'muscular'.
a 'muscular' athlete
(..) to make clothes from animal skins, how to survive in the forest with nothing but a knife? That's ridiculous to you? Jesus. They have the cardiovascular and muscular endurance levels of elite athletes. Who cares? They're children! They need to go to school. They need to learn about the world. (..)2016 Captain Fantastic