The surgery is typically performed under general anesthesia (which induces sleep) or spinal anesthesia (which numbs the lower body while keeping the patient awake). Your surgeon will guide you in selecting the best option. During the procedure, the knee is positioned in a bent state, and an incision of approximately six to twelve inches is made ... More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.