is a board-certified physician and researcher specializing in "Muscle-Centric Medicine". She has published numerous scientific articles and a New York Times bestselling book, Forever Strong

Gabby Lyons built her brand around a simple but bold idea: you can be both soft and strong. Under the handle xxgabbyfit , she shares workout splits, nutrition tips, and the raw reality of building a physique that turns heads. Her “Muscle Barbie” persona challenges the old stereotype that women should avoid heavy weights for fear of getting “too bulky.”

"Muscle Barbie aka Gabby Lyons aka xxgabbyfit - The Fitness Influencer Breaking Stereotypes

is a prominent Australian fitness model, IFBB Pro athlete, and digital content creator