Tetraplegia, also known as quadriplegia, refers to the paralysis of all four limbs and torso. There are several synonyms for tetraplegia, including quadriparesis, which refers to partial paralysis of all four limbs, and tetraparesis, which refers to partial paralysis of the arms and legs. Other synonyms for tetraplegia include quadriplegic paralysis, quadriplegic syndrome, and quadriplegic disability. Paraplegia is a related condition that refers to paralysis of the lower limbs only. Tetraplegia can be caused by a variety of factors, including spinal cord injuries, brain injuries, and certain neurological disorders. Treatment options include rehabilitation, assistive technologies, and supportive care.