The ACL stabilises the knee for chopping, twisting and leaping and pivoting activity. The anterior cruciate ligament is in the center on the knee joint. Any time you tear an ACL, you will generally come to feel or hear a pop, truly feel the knee shift out of location and 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