How should return-to-play decisions be made after a knee ligament injury?

• A. Based on a fixed timeline regardless of function.
• B. Through progressive rehabilitation, objective functional tests, and physician or nurse practitioner clearance based on criteria.
• C. Only when swelling completely resolves.
• D. At the discretion of the athlete.

Answer: (B)

Return-to-play decisions after a knee ligament injury should be based on meeting functional milestones rather than a fixed timeline. A structured, progressive rehabilitation plan is key because it gradually restores range of motion, strength, and neuromuscular control while preparing the athlete for sport-specific demands. Readiness is determined by objective tests that quantify recovery, such as strength symmetry between the injured and uninjured leg and performance on hop tests or agility drills, ensuring the knee can handle loads safely. Final clearance comes from a physician or nurse practitioner who reviews the functional results and confirms there are no medical contraindications to returning to play. This approach minimizes the risk of re-injury and ensures the knee is truly ready for the stresses of sport. Fixed timelines ignore individual healing variability, swelling alone doesn’t reflect functional capacity, and leaving the decision to the athlete can compromise safety.