The Nurick classification was published in 1972[^1] and is used for the clinical classification of cervical myelopathy in 6 grades.

Classification

Grade	Description
Grade 0	Signs or symptoms of nerve root involvement but without evidence of spinal cord disease.
Grade 1	Signs of spinal cord disease but no difficulty in walking.
Grade 2	Slight difficulty in walking which did not prevent full-time employment.
Grade 3	Difficulty in walking which prevented full-time employment or the ability to do all housework, but which was not so severe as to require someone else's help to walk.
Grade 4	Able to walk only with someone else's help or with the aid of a frame.
Grade 5	Chairbound or bedridden.

Illustration