Simone Biles says she should have quit a long time before Tokyo 2020

• Biles says trauma of Larry Nassar abuse was too much'
• Four-time Olympic champion pulled out of five finals in Japan

Simone Biles has admitted that she should have walked away from the Olympic programme way before" the Tokyo Games.

Biles withdrew from five of her six finals at the Olympics in July to focus on her mental health after suffering from a phenomenon known as the twisties that affected her spatial awareness when competing.