On March 24, 2019, skier Camille Rast suffered a torn anterior cruciate ligament (ACL) in her knee. She underwent surgery at Hôpital de La Tour performed by Dr. Olivier Siegrist, and *Sport Dimanche* is featuring a report on her. An ACL tear is the most common injury among athletes, particularly skiers. Live on set, our sports physician, Dr. Maxime Grosclaude, explains this injury and the recovery process.