Romero may think she is "relying on her hands", but the videos show that she uses her entire body to hit. Look closely at the videos and you will see that her wrist barely break. Her power comes from her strong lower body movement, her great extension at impact, and her long and powerful finish.
Why do you think Romero believes that she relies on her hands?
You aren't really expecting to get a response from a PetRock on flyby mission promoting its own website, right?!