Whether pain or inability to put weight on your knee is interfering with your life.Severity of the injury (grade 1, 2 or 3).Treatment for a knee sprain or torn ligament can vary greatly, depending on: What are the common treatments for knee injury? These injuries can be very serious, as they can interrupt blood supply to your leg or damage nerves that help control your leg. It’s possible to damage more than one knee ligament at the same time. You won’t be able to put weight on the leg or bend the knee.Ĭan a person damage more than one ligament at a time? With this level of injury, you will experience severe bruising, swelling and pain. Grade 3 injuries often involve more than one knee ligament. Grade 3: A grade 3 injury is a complete tear or rupture of the knee ligament.With a grade 2 injury, you’ll have some difficulty putting weight on the leg or bending the knee. Signs include bruising, swelling and some pain. Grade 2: A grade 2 knee sprain is a moderate (partial) tear of the ligament.You’ll still be able to put weight on the affected leg and bend the knee. With a grade 1 knee strain, you’ll have minimal pain, swelling or bruising. The ligament is overstretched or just slightly torn. Grade 1: A grade 1 injury to a knee ligament is a minor sprain.How are knee sprains and tears classified?Ī healthcare provider will grade your injury by how severe it is and what symptoms you have: Take X-rays to rule out a broken leg bone, kneecap (patella) or other problem.Order imaging tests if necessary, such as MRI, to take pictures of the knee ligaments.Conduct a physical exam by looking at the injured knee, assessing how it moves and comparing it to the other knee.Ask you about your symptoms and when they started.If you seek medical attention for a knee injury, a healthcare provider may: How can a healthcare provider tell if I’ve injured a knee ligament? The knee joint twists in an unnatural way (for example, when playing basketball or skiing).The knee is hyperextended (straightens too much), usually by force.Force is applied to the side of the knee when the foot is on the ground (for example, during a tackle).Force is applied to the front of a bent knee (sometimes called “dashboard injury” because it’s common in car accidents).Force is applied to the back of the knee when the joint is partly flexed.The ligaments can be overstretched or torn when: ![]() ![]() ![]() Knee ligament injuries are common, especially in athletes. Many knee sprains are mild, but torn knee ligaments can be severe. The cruciate ligaments control the way your knee moves front to back.Īn injury to a knee ligament is called a sprain or a tear. The posterior cruciate ligament (PCL) is behind the ACL. The anterior cruciate ligament (ACL) is located toward the front of the knee. Cruciate ligaments: The two cruciate ligaments are inside your knee joint and connect your femur to your tibia.The collateral ligaments prevent the knee from moving side to side too much. It connects your femur to your calf bone (fibula). The lateral collateral ligament (LCL) is on the outer side of your knee. It attaches the thigh bone (femur) to the shin bone (tibia). The medial collateral ligament (MCL) is on the inner side of your knee. Collateral ligaments: The two collateral ligaments are like straps on each side of your knee.There are two main types of ligaments in your knee: Elastic fibers that are slightly stretchy. ![]()
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