Surgeon Physiologic Stress During Unicompartmental Knee Arthroplasty: Manual vs Computer-Assisted Technique

Inclusion Criteria: * primary, elective unicompartmental knee arthroplasty (UKA). * Clinical and radiographic evidence of symptomatic unicompartmental knee osteoarthritis. * Candidates for either manual or computer-assisted/robotic cemented UKA. * Procedures performed by fellowship-trained arthroplasty surgeons to ensure technical consistency. * Patients willing and able to provide informed consent for the collection of perioperative data. Exclusion Criteria * Revision Surgery: Patients undergoing revision knee arthroplasty (as the study focuses on primary cases). * Complex Scars: Presence of significant prior knee surgery or hardware that may abnormally increase surgical difficulty. * Inflammatory Arthritis: Patients with inflammatory conditions like rheumatoid arthritis (optional, depending on your focus). * Non-elective or trauma-related knee procedures. * Surgeon Limitation: Any physical condition of the participating surgeon that prevents the use of the wearable monitoring garment.