Grade 0: No evidence of spinal cord disease

Grade I: Symptoms of spinal cord disease, but no difficulty in walking

Grade II: Slight difficulty in walking

Grade III: Difficulty in walking, but not so severe as to require assistance

Grade IV: Able to walk only with another person’s assistance or with the aid of a frame

Grade V: Chair- or bed-bound


Provide an explanation for key principles and pertinent aspects of the classification


Insert figures illustrating the classification


Provide the citation for the landmark article and recent review articles describing the classification