Personalized Walking Retraining Shows Promise for Slowing Knee Osteoarthritis
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A yearlong clinical trial has found that a personalized walking retraining program can provide pain relief comparable to medication for adults with knee osteoarthritis. MRI scans also suggested the intervention may slow cartilage deterioration. The study offers a potential non-invasive approach to managing a condition that affects nearly one in four adults over 40.
Facts First
- A personalized gait retraining program provided pain relief comparable to medication for participants with mild to moderate knee osteoarthritis.
- MRI scans suggested less knee cartilage deterioration in the intervention group compared to a sham treatment group.
- The program involved adjusting foot angle during walking based on individual biomechanics to reduce knee loading.
- Participants used a shin device for six weeks of training and maintained the new walking pattern for at least 20 minutes daily.
- The research was a randomized controlled trial conducted by teams from the University of Utah, New York University, and Stanford University.
What Happened
Researchers from the University of Utah, New York University (NYU), and Stanford University conducted a yearlong randomized controlled trial titled 'Personalised gait retraining for medial compartment knee osteoarthritis: a randomised controlled trial', published in The Lancet Rheumatology. The trial enrolled 68 participants with mild to moderate osteoarthritis in the inner side (medial compartment) of the knee. Half were assigned to a real gait retraining group and half to a sham treatment group. For the intervention group, researchers used a pressure-sensitive treadmill and motion capture cameras to determine an optimal foot angle adjustment—turning toes inward or outward by 5 or 10 degrees—to reduce knee loading. Participants underwent six weekly training sessions using a shin device that provided vibration feedback to help maintain the new foot angle. After training, they practiced the pattern for at least 20 minutes daily and, on average, stayed within one degree of their prescribed angle during follow-up visits.
Why this Matters to You
If you or someone you know lives with the persistent pain of knee osteoarthritis, this research points to a new, non-drug option that may help. The personalized walking retraining provided pain relief comparable to medication, which could reduce reliance on painkillers for some people. More significantly, the MRI findings suggest this approach might slow the progression of the disease itself, potentially delaying the need for more invasive treatments like joint replacement surgery. This offers a proactive way to manage a chronic condition that affects daily mobility and quality of life for millions of adults.
What's Next
The findings are likely to spur further research to confirm the long-term benefits and refine the retraining protocols. A 2026 conference abstract noted continued interest in placebo-controlled trials of foot progression angle retraining. Wider adoption of this technique may depend on making the necessary motion analysis and feedback technology more accessible outside of research labs. If validated, this approach could become a standard part of physical therapy for knee osteoarthritis.