Lindsey Vonn posted a video of her doing leg workouts not even a week after she tore her ACL while preparing for the Olympics. (AP photo)

Lindsey Vonn wiped out in a downhill race on January 30. She got up limping, then was airlifted from the course. The diagnosis: a ruptured ACL — a season-ending injury for most.

Lindsey Vonn suffered a partial tear to the ACL in her right knee from her crash in training, her publicist said Wednesday. The Olympic skier will rest for a few days and then will "pursue aggressive physical therapy and will determine the next time she is ...

Vonn is not a normal patient with an ACL tear, which is why doctors believe she can compete just nine days after suffering a debilitating injury.