An infant muscle training apparatus includes an apparatus base, an apparatus frame carried by the apparatus base and at least one assistance harness carried by the apparatus frame. The first deck includes an interior surface, an exterior surface and an edge. The display means has a display screen provided in a surface which is located inside when the information processing apparatus is closed and which is located outside when the information processing apparatus is opened. A cochlear implant receives the radio signal and the electrical power signal and produces for the auditory nerve of the user an electrical stimulation signal representative of the acoustic signal. The first stage cylinder extends and retracts independently of the second stage cylinder. A slat has an inner profile complimentary to at least a portion of the outer profile of the bearing sleeve and is configured to slide along the bearing sleeve.