Simone Biles dealt with the 'twisties' five years before the disorienting condition upended her performance at the Tokyo Olympics in 2021, her longtime coach Aimee Boorman revealed in her new book.

There were times during Simone Biles' nascent rise to stardom over a decade ago when she would arrive for practice and Aimee Boorman could sense immediately what kind of day it was going to be.

"Simone never would have made it in my gym." Aimee Boorman has heard that line, over and over, from other coaches when they talk about the gymnast she helped lift to heights never seen within ...

Aimee Boorman, Biles' coach for more than a decade, has witnessed lots of it up close. Boorman started coaching Biles when she was 7 years old and stayed on as her coach through the 2016 Olympics.

There were times during Simone Biles’ nascent rise to stardom over a decade ago when she would arrive for practice and Aimee Boorman could sense immediately what kind of day it was going to be.