The ACL stabilises the knee for cutting, twisting and jumping and pivoting exercise. The anterior cruciate ligament is in the middle in the knee joint. Whenever you tear an ACL, you'll generally truly feel or hear a pop, experience the knee shift out of position and build significant swelling in 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