Moderator Lillie Shockney is joined by Harpal "Paul" Khanuja, M.D., an associate professor of orthopaedic surgery, director of the Department of Orthopaedic Surgery at Johns Hopkins Bayview, and is the director of adult reconstruction, hip and knee replacement surgery for Johns Hopkins Medicine. Discussed is the basic structure of the knee, common knee complaints and the difference between minimally invasive knee replacement and full knee surgery.