ASIA impairment scale
Impairment in spinal cord injury
Complete: no motor or sensory function preserved
Incomplete: sensory but no motor function preserved below the neurologic level (includes sacral segments S4-5)
Incomplete motor: >50% of key muscles below the neurologic level have a muscle strength grade <3
Incomplete motor: >50% of key muscles below the neurologic level have a muscle strength grade >=3
Normal: sensory & motor function normal.
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