Outdoor Terrain Challenges with the Össur Power Knee Under Phase-Based Control

This video demonstrates the volitional swing control provided by our novel phase-based control algorithm implemented on the Össur Power Knee. Developed by researchers at the University of Michigan, the new control algorithm continuously synchronizes prosthetic leg kinematics and dynamics to the user's motion. (This control algorithm is not yet available to product users.) More information about the novel control algorithm and the associated clinical outcomes can be found in the article: T. K. Best, C. A. Seelhoff, J. Wensman, and R. Gregg, "The clinical effects of the Össur Power Knee with phase-based and default control during sitting, standing, and walking," Journal of NeuroEngineering and Rehabilitation, 2025, DOI: 10.1186/s12984-025-01729-2. This work was supported by the National Institutes of Health and the National Science Foundation with pilot funding and technical support from Össur.