Hello, a tetraplegic is the result of a trauma raquimedular at the level of vertebrae cervical, which produces paralysis full upper and lower limbs, have for example the late Christopher Reeves ( 41 superman; the had an accident when it fell from his horse, do neck which cut the spinal cord at the neck, only short with the appliance of circulatory and respiratory function.There are also incomplete paralysis as the stroke which is a paralysis of an arm and a leg on the same side, generally caused by a Cerebral Vascular event, injury to any of the cerebral hemispheres or the spinal cord also.