There's denying sexual dimporphism, and then there is denying that women can be fit.

The image is very obviously not micking dimorphism, it's mocking people that think any woman that isn't a waifish supermodel with a dainty chin is mannish.

Not quite that exaggerated but yeah, that's how forensics finds out what you looked like before some guy kills you and crams your body in a locker to rot