TOTAL KNEE REPLACEMENT SURGERY If you are considering knee surgery the following total knee replacement information might helpyou understand the procedure and implants better. Your knees work hard during your daily routine, and arthritis of the knee or a knee injury can make it hard for you to perform normal tasks. If your injury or arthritis is severe, you may begin experience pain when you’re sitting down or trying to sleep. Sometimes a Total Knee Replacement is the only option for reducing pain and restoring a normal activity level. If your and your doctor decide a Total Knee Replacement is right for you, the following information will give you an understanding about what to expect. A total knee replacement involves cutting away the damaged bone of the knee joint and replacing it with a prosthesis. This “new joint” prevents the bones from rubbing together and provides a smooth knee joint.