Social media could be sparking the change for women, expert says.
The model discusses her new book, A New Model: What Confidence, Beauty and Power Really Look Like.
What Science Tells Us About the 'Ideal' Body Shape for Women
New Study on Female Body Ideal Shows Women Want to Look Muscular and Thin
Fat-shaming could raise health risks, study suggests
What's the new ideal female body type? Now it's thin and muscular, research shows - ABC News
Body mass index - Wikipedia
12 Women's Body Shapes - What Type Is Yours?
Fat-shaming could raise health risks, study suggests
Beauty Standards: See How Body Types Change Through History
One in four Australians suffering from eating disorders are male, yet research on muscle dysmorphia remains scarce - ABC News