Knee Replacement Surgery or Knee Arthroplasty is one of the most successful procedures to be performed in the field of medical science. Best suited for those who suffer from arthritis of the knee or chronic knee pain, Knee Replacement Surgery involves replacing damaged, injured or fractured parts of the knee with metal and plastic plates. By reducing knee pain and instability, Knee Replacement Surgery enables patients to enjoy a good quality of life again, as they are then able to participate in normal daily activities like walking.