https://www.123articleonline.com/rss/author/355737/sonali-shahArticles written by sonali shah from 123ArticleOnline.comen-usCopyright (c) 123ArticleOnline.com All rights reserved. https://www.123articleonline.com/articles/1310742/acl-tears-in-singapore-an-orthopaedic-surgeons-guide important ligaments in your knee. It is located in the middle of the knee, attaching the shinbone to the thigh bone. The primary function of the ACL is to provide stability to the knee by preventing the shin bone from sliding forward and twisting excessively.