The action heroine archetype is enjoying something of a golden age with blockbuster young adult novels like The Hunger Games and Divergent series starring strong female leads. But Julianne Ross over at The Atlantic has noticed a disturbing trend: all of these women are petite.

Being skinny isn’t a bad thing, but it becomes an issue when so many of the strongest female characters around conform to a single body type—especially one long associated with a narrow definition of what it means to be feminine.