(TOKYO), Simone Biles won't defend her Olympic gold medal for floor exercise.USA Gymnastics announced Sunday the withdrawal of six-time Olympic gold medalist from floor competitions. She won gold in Rio de Janeiro, and was second in qualifying.Biles will be replaced by Jennifer Gadirova from Great Britain in the finals. They are set for Monday.USA Gymnastics stated that Biles is still undecided about whether she will participate in Tuesday's balance beam final. Five years ago, she won bronze in the event in Brazil.READ MORE: Simone Biles has the Twisties They are dangerous!Biles has already decided not to compete at the uneven bars or vault finals that are being held Sunday night at the Ariake Gymnastics Centre. Biles was not expected to win a medal on bars but she is the Olympic champion in vault.Biles has a mental block called the twisties in gymnastics. This means that she is having difficulty locating her body relative to the ground while in the air.Biles was a dominant floor exerciser throughout her elite career. She won five world championships and the Rio gold medal. Biles's innovative tumbling has changed the face of podium sport. Two tumbling pass dismounts were named after her by the Code of Points.Learn more about the Tokyo OlympicsGet the Brief. Register to get the best stories right now. Enter valid email address. * Your request was unsuccessful and timed out. Please sign up again. Sign up now! An error occurred during your registration. Please try again later. If you don't wish to receive promotional emails from TIME, please check the box. You may unsubscribe at anytime. Signing up means you agree to our Terms of Service and Privacy Policies. This site is protected by reCAPTCHA. The Google Privacy Policy, Terms of Service and Terms of Service also apply. We are grateful! We have sent you a confirmation email for your security. To confirm your subscription, click the link and you will start receiving our newsletters. Please check your spam folder if you do not receive the confirmation in 10 minutes.Write to us at letters@time.com
