Does Deku have a hidden muscular form because of his connection to All Might and One For All?

My Hero Academia is returning for the anime’s final season later this Fall, and the newest trailer for the season has ...

Deku cannot access a muscular form like All Might despite having the same Quirk. Deku's access to the vestiges of One For All may not grant him all the holders' abilities, only their Quirks.