This randomised controlled trial with people with secondary progressive MS demonstrated that use of FES improved activities of daily living (as measured by the COPM) and gave a reduction in the number of falls. No significant changes were seen in the control group who received physiotherapy.
The full article is published in Multiple Sclerosis 2010 Sep;16(9):1141-7.
impact_on_activities_of_daily_living_using_a_functional_electrical_stimulation_device_to_improve_dropped_foot.pdf