Orthopedics Sprains and Strains Treatment How to Treat ACL Injuries Share Pin Email More in Orthopedics Sprains and Strains Treatment Therapy and Rehab Foot and Ankle Pain Cause Treating Broken Bones Fractures and Dislocations Hip and Knee Foot and Ankle Injuries Shoulder and Elbow Information Hand and Wrist Rotator Cuff Injuries Back and Neck Pain Cause Hip and Knee Replacement Surgery Arthritis Pediatric Orthopedics Orthopedic Surgery Sports Injuries Osteoporosis View All Updated April 06, 2016 An ACL injury is major ligament tear in the knee. Treatment for an ACL injury includes surgery and a rehab period. Watch our video to learn more ACL injuries. Up Next Up Next Article Knee No Longer Hurts After ACL Injury: Is Surgery Still Necessary? Up Next List Torn ACL? Here's What You Should Know Up Next Article ACL Tears in Children - What to Know Up Next Video What is a Sprained Ankle?