Function of Ligaments of the Knee: The knee is one of the largest and most complex joints in the body. Ligaments provide stability to the joint. The ACL or anterior cruciate ligament prevents the femur from sliding back onto the tibia or tibia sliding forward on the femur. The PCL or posterior cruciate ligament prevents the femur from sliding forward on the tibia or tibia sliding backward on the femur. The MCL or medial collateral ligament and LCL or lateral collateral ligament prevent the femur from sliding side to side. Ligaments are short bands of tough flexible fibrous bands of connective tissue that connects two bones or cartilages or holds together a joint Injuries to the knee are common with all four being fairly common: ACL – anterior cruciate ligament PCL – posterior cruciate ligament MCL – medial collateral ligament LCL – lateral collateral ligament Causes of Knee Injuries: Direct…