This study focuses on people with knee osteoarthritis (a condition where the knee joint becomes painful and stiff). It looks at how changing the way the calf muscle (specifically the gastrocnemius) is used while walking can help reduce stress on the knee. Participants will receive *haptic biofeedback*—a type of technology that provides touch-based signals—during walking sessions. This feedback helps them learn to adjust their muscle use.
**Key Points:**
- Training involves up to three sessions, each with 30 minutes of walking and feedback.
- Participants need to have knee osteoarthritis for at least six months and be able to walk for an hour.
- Individuals with other lower limb joint issues or severe knee alignment problems are not eligible.
The study uses movement data to create computer models of the musculoskeletal system to see if the new walking method lessens knee strain.
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