1.Symptoms of Knee Arthritis
Common types of arthritis are osteoarthritis, rheumatoid arthritis, and arthritis that happens after an injury. No matter what type you have, the main symptoms of knee arthritis are pain, swelling, and stiffness in the knee. Over time, it may get so stiff that walking is hard or even impossible. You might have other symptoms too, depending on your type of arthritis.
2.Osteoarthritis of the Knee
The cartilage that cushions the knee joint can wear away as you age, so that bone rubs against bone. The result: Normal motions of the knee get more and more painful. This «wear and tear» is called osteoarthritis, and it is most common in people over 50.
