Osteoarthritis, or degenerative joint disease, affects the elderly in parts of the body where it hurts the most. A person suffering from knee osteoarthritis will most likely equate it with cardiovascular disease because the breakdown of articular cartilage of knee joints restricts movement and the patient has to follow a set regimen affecting his lifestyle.

Knee Osteoarthritis is due to injury, congenital disorder, or obesity. The deterioration of articular cartilage, a smooth and fibrous connective tissue that acts as a protective cushion, narrows the joint space between bones. In time, the cartilage becomes grooved and fragmented and surrounding bones thicken or sprout into spurs. Sometimes, there is additional swelling in the knees caused when synovium, a membrane producing a thick fluid to nourish the cartilage, becomes inflamed and produces additional fluid known as