Wikipedia | Fit Girl

The article urgently needs a “Legacy” or “Aftermath” section detailing the failed merchandise attempt, any interviews she gave, and how the meme is referenced today (e.g., as a shorthand for overly earnest, nonspecific fitness posting).

While the "fit girl" moniker is modern, the roots of women's physical culture date back to the late 19th and early 20th centuries. fit girl wikipedia