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The knee is one of the joints most commonly affected by osteoarthritis. [2] Cartilage in the knee may begin to break down after sustained stress, leaving the bones of the knee rubbing against each other and resulting in osteoarthritis. [7] Nearly a third of US citizens are affected by osteoarthritis of the knee by age 70. [8]
Among people with hip and knee osteoarthritis, exercise in water may reduce pain and disability, and increase quality of life in the short term. [89] Therapeutic exercise programs, such as aerobics and walking, may reduce pain and improve physical functioning for up to 6 months after the end of the program for people with knee osteoarthritis. [90]
For the grading of osteoarthritis in the knee, the International Knee Documentation Committee (IKDC) system is regarded to have the most favorable combination of interobserver precision and correlation to knee arthroscopy findings. [10] It was formed by a group of knee surgeons from Europe and America who met in 1987 to develop a standard form ...
The questions on the WOMAC are a subset of the questions of the Hip disability and osteoarthritis outcome score (HOOS). [4] Thus, a HOOS survey may also be used to determine a WOMAC score. A WOMAC test takes about 12 minutes, but is also available in a short form, (although this has not been as extensively tested as the full version).
Knee replacement, also known as knee arthroplasty, is a surgical procedure to replace the weight-bearing surfaces of the knee joint to relieve pain and disability, most commonly offered when joint pain is not diminished by conservative sources. [1] [2] It may also be performed for other knee diseases, such as rheumatoid arthritis.
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The knee is a modified hinge joint, a type of synovial joint, which is composed of three functional compartments: the patellofemoral articulation, consisting of the patella, or "kneecap", and the patellar groove on the front of the femur through which it slides; and the medial and lateral tibiofemoral articulations linking the femur, or thigh bone, with the tibia, the main bone of the lower ...
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