The Knee is a very complex part of the body. With many ligaments, muscles and bones all in a single joint, it takes contributions from each component to create a functional knee. As mentioned before, there are five ligaments in the knee, posterior cruciate ligament, anterior cruciate ligament, medial collateral ligament, lateral collateral ligament and the patellar ligament. Bones that make up the knee are the femur, patella, tibia and fibula. Muscles surrounding the knee include the quadriceps, hamstrings, and …show more content…
PCL injuries, which are not as common as ACL injuries, account for 20% of knee ligament injuries. This is because it is thicker and stronger than the other ligaments. They are also more difficult to evaluate than other ligament injuries in the knee and often times go undiagnosed. Many times a PCL injury comes with other injuries to other ligaments, bones and cartilage. It is often associated with ACL tears, MCL tears, LCL tears, meniscus tears, and articular cartilage damage. It can also be linked to posterior rotatory instability and knee