In grade I, the ligament is mildly damaged and slightly stretched, but the knee joint is stable. Injuries to the PCL can be graded as I, II or III depending on the severity of the injury. Cartilage injuries, bone bruises, and ligament injuries often occur in combination with PCL injuries. PCL injuries are very rare and are more difficult to detect when compared to the other knee ligament injuries. Injuries to the MCL commonly occur because of pressure or stress on the outside section of the knee. MCL injuries can result in a stretch, partial tear or complete tear of the ligament. It runs from the femur (thighbone) to the top of the tibia (shinbone) and helps in stabilizing the knee.
The MCL is the ligament that is located on the inner part of the knee joint. Changing direction rapidly, stopping suddenly, slowing down while running, landing from a jump incorrectly, and direct contact or collision, such as a football tackle, can also cause injury to the ACL. An ACL tear usually occurs with an abrupt directional change with the foot fixed on the ground or when the deceleration force crosses the knee. The most common types of ligament injuries include: ACL tearĪn ACL injury is a sports-related injury that occurs when the knee is forcefully twisted or hyperextended. Rupture of blood vessels following a trauma that leads to the accumulation of extra fluid or blood in the joint.Torn ligament: either anterior or posterior cruciate ligament (ACL or PCL).Fracture of the femur (thighbone) or tibia and fibula (leg bones).The common causes of knee injury include: Pain, swelling, and stiffness are the common symptoms of any damage or injury to the knee. Knee problems may arise if any of these structures get injured by overuse or suddenly during sports activities. There are two important groups of ligaments that hold the bones of the knee joint together, collateral and cruciate ligaments - medial collateral ligament (MCL) and lateral collateral ligament (LCL), and anterior cruciate ligament (ACL) and posterior cruciate ligament (PCL). The ligaments of the knee stabilize the knee joint. Ligaments are tough bands of tissue that connect one bone to another bone. The knee is a hinge joint made up of two bones, the thighbone (femur) and shinbone (tibia). The knee is a complex joint that consists of bone, cartilage, ligaments, and tendons that help in your joint’s movements.
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