Osteoarthritis is a degenerative disease caused by wear and tear on the joint and is the most common form of arthritis in mid-life and older people. It causes pain that reduces joint function and quality of life. Commonly affected areas include hand, hip, spine, knee and foot.
--Metabolic conditions : Wilsonˇ¦s disease, hemochromatosis, hyper-parathyroidism
--Trauma : meniscal injury, ACL injury, old fractures and infectious arthritis
--Fatigue : repetitive use of the joint
--Poor posture : knee hyperextension, poor sitting and standing posture, obesity and pregnancy in the final stage.
--Work behavior : prolonged standing causing overuse of the knee joint
--Joint stiffness : related to weather changes
--Muscle weakness and atrophy
--Reduced range of motion :deformity or subluxation, muscle spasm or contracture