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ASIA impairment scale

Impairment in spinal cord injury

Grade A

Complete: no motor or sensory function preserved

Grade B

Incomplete: sensory but 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 & motor function normal.

Reference

Neurologic Recovery After Traumatic Spinal Cord Injury: Data From the Model Spinal Cord Injury Systems Ralph J, Marino, MD, John F. Ditunno, Jr., MD, William H. Donovan, MD, F.  Arch Phys Med Rehabil Vol 80, November 1999

Formato para captura de la Clasificación ASIA.