The joint may become stiff and swollen, limiting the range of motion. The exact cause is unknown, however there are several factors that are commonly associated with the onset of arthritis and may include:Īrthritis of the knees can cause knee pain, which may increase after activities such as walking, stair climbing, or kneeling. These factors can cause pain and restricted range of motion in the joint. In addition, the bones become thicker around the edges of the joint and may form bony “spurs”. In a normal joint, articular cartilage allows for smooth movement within the joint, where as in an arthritic knee the cartilage itself becomes thinner or completely absent. Osteoarthritis is the most common form of knee arthritis in which the joint cartilage gradually wears away. Disease OverviewĪrthritis is inflammation of a joint causing pain, swelling (inflammation), and stiffness. ![]() Partial knee replacement is a surgical option if your arthritis is confined to a single compartment of your knee. In total knee replacement, all worn out or damaged surfaces of the knee joint are removed and replaced with new artificial parts. ![]() Traditionally, total knee replacement was commonly indicated for severe osteoarthritis of the knee. The knee can be divided into three compartments: patellofemoral, the compartment in front of the knee between the knee cap and thigh bone, medial compartment, on the inside portion of the knee, and lateral compartment which is the area on the outside portion of the knee joint. It is also called a partial knee replacement. Unicompartmental (Partial) knee replacement is a minimally invasive surgery in which only the damaged compartment of the knee is replaced with an implant.
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