‘Most realistic’ robot legs developed


US experts have developed what they say are the most biologically-accurate robotic legs yet.

Writing in the Journal of Neural Engineering, they said the work could help understanding of how babies learn to walk – and spinal-injury treatment.

They created a version of the message system that generates the rhythmic muscle signals that control walking.

A UK expert said the work was exciting because the robot mimics control and not just movement.

The team, from the University of Arizona, were able to replicate the central pattern generator (CPG) – a nerve cell (neuronal) network in the lumbar region of the spinal cord that generates rhythmic muscle signals.

The CPG produces, and then controls, these signals by gathering information from different parts of the body involved in walking, responding to the environment.

source : http://www.bbc.co.uk/news/health-18724114

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