Working with a team of UCLA scientists, a man with protracted and complete paralysis has recovered sufficient voluntary control to take charge of a bionic exoskeleton and take many thousands of steps. Using a non-invasive spinal stimulation system that requires no surgery, this is claimed to be the first time that a person with such a comprehensive disability has been able to actively and voluntarily walk with such a device.
via Gizmag
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Paralyzed and his BPM got up to 138 providing core support for the limb actions! Esko Bionics at http://emb.citengine.com/event/embc-2015/paper-details?pdID=4403