"When Anna Li fell from the uneven bars on July 24, she injured her neck and is wearing a cervical collar as a precaution. She tore a ligament in her neck, and she has been advised to wear the collar as well as check with a physician upon her return to the States. As a result, she is no longer training as a replacement athlete."
What a shame! Li was the top bar worker of the alternates, and had been thrilled to be a part of team USA. You can send well-wishes to her via Twitter (@AnnaLi_88). And follow her too -- she's very entertaining!