Millions of patients are prescribed exercise to restore function after orthopaedic interventions. Most exercise incorrectly due to lack of motivation or busy life-style. This results in prolonged recovery and relapses involving extra therapeutic costs. TERRAGIDE improves rehabilitation outcomes by delivering personalized plans to patient's mobile and providing interactive exercise coaching and feedback through motion-sensors. TERRAGIDE reports patient's performance to the healthcare-provider to adjust the therapy accordingly. TERRAGIDE targets emerging computer-assisted rehabilitation market. Its customers will be health-insurers, who can offer performance-based incentives to patients and achieve multi-billion savings. Patients will benefit from faster recovery, reduced pain and improved exercise experience.