You can work out on your own or with the help of a physical therapist. Warm up first, so your muscles can ease into it. One of your best options is water therapy, also called hydrotherapy or aqua therapy. It’s an exercise program held in a pool. The water takes some of the weight off your joints, so it may be easier for you to do well. Whatever exercise you choose, make sure it’s one you'll like enough to do it regularly. Also, try to be active throughout your day. You can garden, give the dog an extra walk, and fit in some stretches while you’re at your kid’s sports practice.