The ACL stabilises the knee for slicing, twisting and jumping and pivoting activity. The anterior cruciate ligament is in the middle of the knee joint. After you tear an ACL, you can usually really feel or listen to a pop, truly feel the knee change away from location and develop 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