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A new strategy that delivers electrical stimulation to patient’s spinal cords without surgery has helped five men with complete motor paralysis to generate step-like movements voluntarily.
Called transcutaneous stimulation, this strategy delivers an electrical current to the spinal cord via electrodes placed on the skin of the lower back.
This is the first time that the stimulation was delivered non-invasively. In a previous study, four men with complete motor paralysis were able to generate some voluntary movements while receiving electrical stimulation to their spinal cords. But the stimulation came from a device called an epidural stimulator that was surgically implanted on the surface of the men’s spinal cords.
On the heels of that success, the lead researcher began developing a strategy for delivering stimulation to the spinal cord non-invasively, believing it could greatly expand the number of paralyzed individuals who could potentially benefit from spinal stimulation