In either case, a consultation with a Houston knee doctor can help clarify what is happening and what to do next. Patients may be asked about swelling, clicking, locking, instability, or pain that worsens with certain movements. For many patients, non-surgical knee care is a starting point. Sports injuries can involve the ACL, meniscus, or other structures that support the knee. A knee replacement evaluation may be considered when joint wear is advanced and conservative care no longer provides enough relief. A knee specialist can explain the findings, review options, and help plan a path toward recovery.