The athlete stepped back from the competition after the US team’s first rotation on vault on Tuesday, and has since decided to withdraw from Thursday’s women’s all-around final.
In an interview with reporters after Team USA took home the silver medal, Simone said: “Whenever you get in a high-stress situation, you kind of freak out. I have to focus on my mental health and not jeopardise my health and well-being.
“We have to protect our body and our mind,” she added. “It just sucks when you’re fighting with your own head.”
The former First Lady was among those to show their support for Simone online, tweeting: “Am I good enough? Yes, I am. The mantra I practice daily @Simone_Biles, we are proud of you and we are rooting for you. Congratulations on the the silver medal, Team @USA!”