Non-invasive spinal cord stimulation gets paralyzed legs moving voluntarily again

“Five men with complete motor paralysis have regained the ability to move their legs voluntarily and produce step-like movements after being treated with a non-invasive form of spinal cord stimulation…. ” (go to link)
 
Link:  www.gizmag.com/non-invasive-spinal-cord-stimulation-restores-movement-paralysis/38719/