The objective of this work was to conduct a proof of concept study utilizing auditory feedback from a pressure-detecting shoe insole to shift plantar pressure medially in order to reduce the knee adduction moment (KAM). When compared with normal walking, 32 healthy subjects significantly reduced their peak KAM using feedback (p < 0.001). When compared with medial thrust gait, an established gait modification, walking with pressure-based feedback was equally effective at reducing the peak KAM, yet it successfully mitigated other potentially detrimental gait measures such as the peak knee flexion moment (KFM), knee internal rotation moment (KIrM), and a reduction in speed.
The Feasibility of Using Augmented Auditory Feedback From a Pressure Detecting Insole to Reduce the Knee Adduction Moment: A Proof of Concept Study
Manuscript received July 6, 2015; final manuscript received November 4, 2015; published online January 27, 2016. Editor: Beth A. Winkelstein.
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Ferrigno, C., Stoller, I. S., Shakoor, N., Thorp, L. E., and Wimmer, M. A. (January 27, 2016). "The Feasibility of Using Augmented Auditory Feedback From a Pressure Detecting Insole to Reduce the Knee Adduction Moment: A Proof of Concept Study." ASME. J Biomech Eng. February 2016; 138(2): 021014. https://doi.org/10.1115/1.4032123
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