by Mary Y. Choi

When you're facing the stiffness and aches of arthritis, the last thing you want to do is move. But it's also generally one of the best things you can do.

Exercise protects joints by strengthening the muscles around them. Whether you have osteoarthritis, rheumatoid arthritis or another form of the disease, moderate-intensity exercise can improve joint flexibility, easing symptoms. Plus, it reduces your risk of falls, helps maintain a healthy weight, and even combats anxiety and depression. NEXT: Get moving>>