There are many different types of arthritis. There are many different types of joint damage. Most types of arthritis, joint pain and joint damage will respond well to low impact exercising and stretching. Movement is the key to slowing down the progression of joint damage. It is essential to keep yourself moving as you age to prevent the loss of range of motion, and to keep the use of your joints and muscles.
This article I attached has good tips for how to deal with rheumatoid arthritis. These tips are applicable for any other type of arthritis or joint pain.