![]() ![]() Disease within the knee can affect one, two, or all three compartments. The joint surfaces are lined with hyaline cartilage and are enclosed within a single joint cavity. The patellofemoral compartment includes the femoral trochlea, between the condyles, and the patella. Allen DEFINITION Knee arthroscopy is a minimally invasive video-assisted surgical intervention for intra-articular disease of the knee. The knee joint consists of two articulations tibiofemoral and patellofemoral. The lateral compartment is comprised of the lateral femoral condyle, the lateral tibial plateau, and the lateral meniscus. The medial compartment is comprised of the medial femoral condyle, the medial tibial plateau, and the medial meniscus. The MCL (medial collateral ligament) stabilizes the inner aspect (medial side) of the knee, connecting the femur and tibia, while the LCL (lateral collateral ligament) stabilizes the outside of the knee, connecting the femur and the fibula.Īlthough the inside of the knee joint is one continuous space, it is often conceptualized as having three “compartments”: medial, lateral, and patellofemoral. The rounded end of the femur bone (medial femoral condyle) sits on a flattened area of the tibia bone called the medial tibial plateau. ![]() ![]() The PCL (posterior cruciate ligament) keeps the tibia from sliding too far backward (posterior). The medial compartment of the knee includes everything within the inner half of the joint and is located where the tibia (shinbone) and femur (thigh bone) meet. These compartments are called the medial and lateral tibiofemoral compartments. The tibia and femur meet to form two of these compartments on the inside and outside of your knee joint. The ACL (anterior cruciate ligament) keeps the shin bone (tibia) from sliding too far forward (anterior) relative to the thighbone (femur). The femur, tibia, and patella create three separate knee joint compartments. There are several important ligaments within and around the knee that stabilize the joint. When the lining of the knee becomes inflamed and irritated it produces extra fluid that results in swelling of the knee joint. Synovial fluid nourishes and lubricates the joint. Each meniscus is secured to the tibia and the adjacent joint capsule. The knee is encased in a sheath (capsule) that is lined with “synovium”, which secretes a nutrient-rich fluid (synovial fluid). They all work together to maintain the knees normal. These three are a Thighbone(femur), a Shinbone(tibia), and a Kneecap(patella). The knee is a complex joint made up of different structures - bones, tendons, ligaments, and muscles. The two C-shaped menisci are located between the tibia and each femoral condyle and serve as shock absorbers. What are the three joints in your knee Your knee is made up of three bones(joints). The articular cavity of three compartments of knee. Cartilage cushions all of the bone surfaces within the knee and reduces friction. The joint capsule connected to the femur, patella and tibia was observed to be progressed with periosteum. ![]()
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