He has a 'muscular' physique.
His legs are very 'muscular'.
a 'muscular' athlete
(..) Good. Hoist the torches! Nice of you to join the party! I thought you'd been carried off! Who, me? No, come on, I'm way too muscular for their taste. They wouldn't know what to do with all this. They need toothpicks, don't they? The meathead with attitude and interchangeable hands is Gobber. (..)2010 How to Train Your Dragon