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Could I order a new chequebook, please? decided particles staxyn ebb Aided by sensors receiving impulses from nerves and muscles that once carried signals to his missing knee and ankle, the patient was able to climb and descend stairs and walk up and down inclines much as he could with a natural leg, based on directions that came from his brain. Importantly, he was able to flex the device's ankle, enabling a near-normal gait, something not possible with current prosthetics.