The ACL stabilises the knee for chopping, twisting and leaping and pivoting action. The anterior cruciate ligament is in the middle on the knee joint. Whenever you tear an ACL, you might often come to feel or listen to a pop, sense the knee shift away from put and produce https://www.theorthopaedicandpainpractice.com/what-should-i-do-if-i-have-a-collateral-ligament-injury-of-the-knee/?_gl=1*xbbxlb*_up*MQ..&gclid=Cj0KCQjwkt6aBhDKARIsAAyeLJ2krYJSOuy5mZksrNqH-VDjQwW1ScD49yD8BUWysDG6u6bJPCSbXVUaAuCPEALw_wcB