Experts said it was an "exceptional study" and that restoring function after paralysis "can no longer be dismissed as a pipedream".
In 2011, a man from Oregon in the US was able to stand up again while his spinal cord was stimulated with electricity. Rob Summers had been paralysed from the chest down after being hit by a car.
Now researchers at the Swiss Federal Institute of Technology (EPFL) say they have restored far more movement in rats which became able to run and climb stairs. The spinal cord of the rats was cut in two places. It meant messages could not travel from the brain to the legs, but the spinal cord was still in one piece.
The lead researcher, Prof Gregoire Courtine, said: "Over time the animal regains the capacity to perform one, two steps, then a long run and eventually we gain the capacity to sprint over ground, climb stairs and even pass obstacles."
Source: http://www.bbc.co.uk/news/health-18257077
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