Aerobic exercise helps with overall fitness. It can be a hard slog at first because an aerobics class is a series of highly active cardiovascular movements that need strength and stamina, but you can also perform low impact aerobic exercises. Aerobic exercise classes are often found in gyms and even outdoors with workout groups or personal trainers. Find the one that is right for you in regards to length, endurance and your pain levels and comfort, and work your way up to a long workout that makes you feel fantastic. Aerobics benefits the whole body.