1. An ambulation system for a patient comprising: a biological interface apparatus comprising: a sensor comprising a plurality of electrodes for detecting multicellular signals emanating from one or more living cells of a patient; a processing unit configured to receive the multicellular signals from the sensor, process the multicellular signals to produce a processed signal, and transmit the processed signal to a controlled device; and the controlled device configured to receive the processed signal, and an ambulation assist apparatus comprising a rigid structure configured to provide support between a portion of the patient's body and a surface, wherein data is transferred from the ambulation assist apparatus to the biological interface apparatus.