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The Forgotten Joint and Forgotten Spine: Recalibrating Success around the Patient's Experience
Sathish Muthu1,2, Dhibin Vikash Kolarpatti Ponnusamy1,3, Vibhu Krishnan Viswanathan1,4
1Department of Research Methods, Orthopaedic Research Group, Coimbatore, Tamil Nadu, India.
Journal of Orthopaedic Case Reports
|August 14, 2026
Summary
Patient-reported outcome measures are improving with the Forgotten Joint Score (FJS), which assesses a patient's ability to forget a replaced joint. Its spinal adaptations, the Forgotten Spine Score (FSS) and FS3-C, measure spine awareness for better outcome assessment.
Area of Science:
- Orthopedic research
- Spine surgery outcomes
- Patient-reported outcome measures
Background:
- Legacy patient-reported outcome measures (e.g., VAS, ODI, KOOS) have limitations, including ceiling effects that hinder the accurate assessment of excellent surgical outcomes.
- The "forgotten joint" concept redefines surgical success as the patient's ability to forget the replaced joint, operationalized by the Forgotten Joint Score (FJS).
- The FJS demonstrates responsiveness, minimal ceiling effects, and robust measurement properties in joint replacement and preservation procedures.
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