Knee Injuries Athlete Injuries Recovery Athlete Recovery Accidents Athlete Health Mikaela Shiffrin Comeback Leg Injury Knee Injury Knee Replacement Knee Surgery Rehabilitation Skiing Injuries Abdominal Injuries Race Injuries Nina Ortlieb Health Implications Athlete Management Cruciate Ligament Tear Abdominal Puncture Injury Athlete Health Issues Clarisse Brèche Medical Treatment Mental Health Mattia Casse Crashes Dislocated Shoulder Leg Injuries Shoulder Injuries Safety Measures Minor Injuries Medical Check Season-ending Injuries Health Challenges Impact on Career Career Impact ACL Tear Cheville (Ankle) Injury Clement Noel Comebacks Head Injuries Impact on Competition Competitor Injuries Recovery Process Prosthetics Equipment Issues Athlete Comebacks