Knee replacement is a surgical procedure in which a damaged or worn knee joint is replaced with an artificial implant to relieve pain and improve mobility. This procedure is typically performed on individuals who have severe arthritis, injury, or other conditions that have caused irreversible damage to the knee joint. Research in the area of knee replacement focuses on developing new technologies and techniques to improve outcomes for patients, reduce complications, and enhance the longevity of the implants. This may include studying different implant materials, surgical approaches, rehabilitation methods, and patient selection criteria. Overall, the goal of research in knee replacement is to continually advance the field and provide patients with better options for restoring function and alleviating pain in their knee joints.