Vonn is skiing cautiously at the Olympics a week after tearing her ACL.
Local doctor explains Lindsey Vonn's leg injury, possible timeline of recovery ...
The fastest way to unlock the quad is to vibrate (!) the hamstring. ACL recovery is a neuromuscular problem and process.
Lindsey Vonn announced she tore her ACL but still intends to compete at the Olympics. How can she ski with that injury? Doctors, skiers weigh in.