The ACL stabilises the knee for cutting, twisting and leaping and pivoting activity. The anterior cruciate ligament is in the center with the knee joint. When you tear an ACL, you will generally feel or hear a pop, come to feel the knee shift away from spot and develop sizeable 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