1. Historical evolution of UKA 2. Selection Criteria 3. Results/Survivorship of UKA 4. Reasons for failure/modes of failure 5. Mobile vs Fixed bearing UKA 6. Surgical principles of fixed bearing UKA 7. Surgical principles of mobile bearing UKA 8. Lateral compartment arthroplasty 9. UKA in the middle-aged patient 10. UKA in the octogenarian 11. Prosthetic design considerations 12. Revision of failed UKA 13. Evolving Technology (robotic surgery, computer navigation, cementless fixation, patient specific instruments and components)