A physiotherapist plays a crucial and central role in the rehabilitation after ACL reconstruction (ACLR). The goal is to restore knee stability, strength, mobility, and return the patient safely to daily activities or sports. Here’s a clear, stage-wise breakdown: 1. Immediate Post-Surgery Phase (Week 0–2) 2. Early Rehabilitation Phase (Week 2–6) 3. Strengthening Phase (Week 6–12) 4. Advanced Functional Training (3–6 Months) 5. Return-to-Sport Phase (6–9+ Months) 6. Long-Term Follow-Up