Rehabilitative therapy is essential to successfully returning to a healthy, active lifestyle after joint replacement surgery, a very important fact to keep in mind if you'll be having one of these procedures. Exercise is the chief component of that therapy, and you'll be advised to perform a number of exercises daily—especially during the early stages of recovery from hip or knee replacement—to gradually improve balance, flexibility, muscle strength and joint function. Among the most frequently prescribed are the following 6 exercises for after joint replacement surgery.