What is an ACL tear and how does it typically happen? What are the immediate symptoms and the feeling of knee instability? Why is reconstruction often recommended for active individuals? What are the graft options (patellar, hamstring)? How do I find a surgeon who specializes in sports medicine? What is the role of a physical therapist and a sports medicine hospital? What is the cost, and what is the rigorous guidance for the 9-month rehabilitation process?