That’s still the male gaze. Most women I know don’t care about bicep size. It’s one of those things men do to look more like other men they think have good bodies.

The scene with Tony Stark chopping wood is much closer to the female gaze, according to my friends at least. For them it’s all about the forearms and in general the type of body you get from real physical labor, not the kind of body you get from the gym