What Is Knee Replacement Surgery Procedure..? Total Knee Replacement / Total Knee Arthroplasty surgery is a safe and effective procedure to relieve pain, correct leg deformity, and help you resume normal activities. Total Knee replacement surgery is required for patients with severe knee osteoarthritis [wear and tear]. If your knee is severely damaged by arthritis or injury, it may be hard for you to perform simple activities, such as walking or climbing stairs. You may even begin to feel pain while you are sitting or lying down. Total Knee replacement relieves knee pain and increases your activity level. In this surgery worn out part of bones and cushions in the knee are excised and replaced by artificial materials [metal alloy and plastic]. Knee replacement surgery was first performed in 1968. Since then, improvements in surgical materials and techniques have greatly increased its effectiveness. Whether you have just begun exploring treatment options or have already decided to have total knee replacement surgery, the following information will help you understand more about this valuable procedure.