Osteoarthritis is most commonly found in the elderly. It may arise spontaneously or be secondary to previous trauma with associated instability.
Osteoarthritis is a very common problem with the knee joint. Symptoms usually appear in middle to later life. It is more common in women, the obese and those with knee deformities or previous trauma, especially meniscal tears. The knee joint often becomes more painful and stiff with time. Activities such as prolonged walking, standing or squatting often aggravate the pain.