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This study presents a feedback control system that utilizes proportional feedback from the center of mass (COM) acceleration to enhance balance in individuals with spinal cord injury (SCI). By employing an artificial neural network (ANN), the system modulates muscle stimulation levels, effectively assisting users in maintaining equilibrium against postural disturbances while standing. The findings contribute significantly to advancing functional neuromuscular stimulation techniques, showcasing a promising approach for rehabilitation in individuals facing postural challenges.

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  1. Figure 1. Flow diagram for overall feedback control system. Proportional feedback of total body center of mass (COM) acceleration (ACC) drove acceleration-stimulation mapping represented by artificial neural network (ANN) to modulate muscle stimulation levels and assist individual with spinal cord injury (SCI) to balance against postural disturbances while standing. 3D = three-dimensional. Nataraj R, Audu ML, Triolo RJ. Center of mass acceleration feedback control of functional neuromuscular stimulation for standing in presence of internal postural perturbations. J Rehabil Res Dev. 2012;49(6):889–912.http://dx.doi.org/10.1682/JRRD.2011.07.0127

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