A ligament is a band of tissue that connects bone to bone. The collateral ligaments are located on the outside of the knee joint. These ligaments help to connect the bones of the upper and lower leg inside the knee joint. There are four primary ligaments in the knee. These ligaments act like strong ropes holding the bones together and keeping the knee stable. The medial collateral ligament is present on the sides of the knee which connect the femur to the tibia. The lateral collateral ... Read more