The LCL can help stabilize the knee from forces that press the knee inward. Like MCL accidents, LCL injuries can occur due to immediate impact or abnormal stress around the knee but are fewer widespread. Improve Supporting Muscles – Strengthening the muscles round the knee may help stabilize the knee 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