The RHEO KNEE XC is a microprocessor-controlled knee designed to support patients from early rehabilitation to full recovery. It has a number of new features, including enhanced stability control, a new exterior, and a new smart extension, to help you move from early rehabilitation to full recovery. With the new Össur Logic App, you’ll have access to essential training exercises that will enable you to practice movements from rehab to home and gain more confidence in your new prosthetic limb.