If you have chronic obstructive pulmonary disease (COPD), you may feel pretty intimidated when it comes to exercise. After all, how can you possibly exercise if you can barely move around the room without becoming tired and short of breath?

In truth, though, exercising is actually the best way to increase your exercise tolerance and improve your breathing. The key is finding the right exercise program—one you'll enjoy and be able to stick to on a daily basis.

Here are nine of the most popular exercise DVDs. Many are geared for seniors and people with disabilities or illnesses like COPD.