Classification

Grade A: Complete; no motor or sensory function preserved

Grade B: Incomplete sensory;  no motor function preserved below the neurologic level (includes sacral segments S4-5)

Grade C: Incomplete motor; >50% of key muscles below the neurologic level have a muscle strength grade <3

Grade D: Incomplete motor; >50% of key muscles below the neurologic level have a muscle strength grade >=3

Grade E: Normal; sensory and motor function normal

Explanation

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

Figures

Insert figures illustrating the classification

Reference(s)

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