Real-time visual feedback affects peak propulsive horizontal force and metabolic cost in individuals with unilateral transtibial amputation during walking

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Abstract
Individuals with unilateral transtibial amputation walked while using an energy storage and return prosthesis and the BiOM prosthesis and were provided with visual feedback of peak propulsive horizontal force (hGRF). Visual feedback increased affected leg peak propulsive hGRF and decreased peak propulsive hGRF asymmetry, but participants incurred a greater metabolic cost when using either prosthesis. Future device designs should explore biofeedback and device control to help individuals more effectively use a powered prosthesis.
Funding Information
  • Department of Veterans Affairs Rehabilitation (I01 RX002943)

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