Learn more about achy knees and how to make them feel better. Reviewed 1/16/2024 Sources OrthoInfo. "Total Knee Replacement." https://orthoinfo.aaos.org/en/treatment/total-knee-replacement. UpToDate. "Total Knee Arthroplasty." https://www.uptodate.com/contents/total-knee-arthroplasty. Related stories