Subtypes of Obesity and Changes in Functional Status Over Seven Years: Insights from the Multicenter Osteoarthritis Study
By
Kristine Godziuk
Sarah Tilley
Michael LaValley
Michael C. Nevitt
Cora E. Lewis
James C. Torner
Tuhina Neogi
May 12, 2026
Clinical Scorecard: Subtypes of Obesity and Changes in Functional Status Over Seven Years: Insights from the Multicenter Osteoarthritis Study
At a Glance
Category Detail
Condition Obesity and Knee Osteoarthritis Key Mechanisms Body composition and metabolic health influence physical function in obesity. Target Population Community-dwelling adults aged 50 to 79 years with or at risk for knee OA. Care Setting Longitudinal study assessing functional outcomes in obesity.
Key Highlights
Obesity defined by BMI alone may overlook functional variations. Low muscle mass and cardiometabolic comorbidities correlate with poorer physical function. Identifying obesity subtypes may enhance understanding of functional deterioration. Guideline-Based Recommendations
Diagnosis
Consider body composition assessments beyond BMI for obesity classification. Utilize dual-energy x-ray absorptiometry (DXA) for accurate body composition analysis. Management
Target interventions for individuals with low muscle mass and cardiometabolic comorbidities. Monitoring & Follow-up
Regularly assess physical function using validated tools like the WOMAC. Risks
Increased risk of functional limitations associated with specific obesity subtypes. Patient & Prescribing Data
Adults with obesity (BMI ≥30 kg/m2) and knee OA.
Focus on maintaining physical function in patients with low muscle mass and comorbidities.
Clinical Best Practices
Evaluate obesity using comprehensive assessments including muscle mass and metabolic health. Implement tailored strategies for obesity management in knee OA patients. Related Resources & Content
