![]() Many knee injuries can be treated with simple measures, such as: The type of treatment your doctor recommends will depend on several factors, such as the severity of your injury, and your age, general health, and activity level. ![]() Hear a popping noise and feel your knee give out at the time of injury.To reduce swelling, elevate the injury higher than your heart while resting.īe sure to seek treatment as soon as possible, especially if you: Lightly wrap the injured area in a soft bandage or ace wrap. use cold packs for 20 minutes at a time, several times a day. Avoid putting weight on the painful knee. When you are first injured, the RICE protocol can help speed your recovery: Patellar Dislocation and Instability in Children (Unstable Kneecap) In people who have normal knee structure, dislocations are most often caused by high energy trauma, such as falls, motor vehicle crashes, and sports-related contact.Dislocations can be caused by an abnormality in the structure of a person's knee.For example, the femur and tibia can be forced out of alignment, and the patella can also slip out of place. Learn more about common fractures of the knee:ĭistal Femur (Thighbone) Fractures of the Kneeįractures of the Proximal Tibia (Shinbone) DislocationĪ dislocation occurs when the bones of the knee are out of place, either completely or partially. Many fractures around the knee are caused by high energy trauma, such as falls from significant heights and motor vehicle collisions. The ends of the femur and tibia where they meet to form the knee joint can also be fractured. The most common bone broken around the knee is the patella. The patellar tendon, on the other hand, runs from the patella to the tibia. The quadriceps tendon connects the muscles in the front of the thigh to the patella. Muscles are connected to bones by tendons. The cruciate ligaments control the front and back motion of your knee. They cross each other to form an X with the anterior cruciate ligament in front and the posterior cruciate ligament in back. They control the side-to-side motion of your knee. ![]() The medial collateral ligament is on the inside of your knee, and the lateral collateral ligament is on the outside. These are found on the sides of your knee. The four main ligaments in your knee act like strong ropes to hold the bones together and keep your knee stable. Bones are connected to other bones by ligaments. When people talk about torn cartilage in the knee, they are usually referring to a torn meniscus. Different from articular cartilage, the meniscus is tough and rubbery to help cushion and stabilize the joint. Two wedge-shaped pieces of meniscal cartilage act as shock absorbers between your femur and tibia. This slippery substance helps your knee bones glide smoothly across each other as you bend or straighten your leg. The ends of the femur and tibia, and the back of the patella are covered with articular cartilage. The patella sits in front of the joint to provide some protection. Three bones meet to form your knee joint: the femur (thighbone), the tibia (shinbone), and the patella (kneecap). It is made up of four main structures: bones, cartilage, ligaments, and tendons. The knee is the largest joint in the body, and one of the most easily injured. Different views of the normal anatomy of the knee.
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