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Effects of electrical stimulation pattern on quadriceps isometric force and fatigue in individuals with spinal cord injury

Variable frequency trains (VFT) or train combinations have been suggested as useful strategies to offset the rapid fatigue induced by constant frequency trains (CFT) during electrical stimulation. However, most studies have been of short duration with limited functional application in those with spinal cord injury (SCI). We therefore tested force and fatigue in response to VFT, CFT, and combined patterns in strength training‐like conditions (6‐s contractions).