AA

Case Studies – Severity of Injury

A – Complete (No motor or sensory function is preserved in the sacral segments S4 – S5)

B – Incomplete (Sensory but not motor function is preserved below the neurological level and includes the sacral segments S4-S5)

C – Incomplete (Motor function is preserved below the neurological level, and more than half of key muscles below the neurological level have a muscle grade less than 3)

D – Incomplete (Motor function is preserved below the neurological level, and at least half of key muscles below the neurological level have a muscle grade of 3 or more)

E – Normal (Motor and sensory function are normal)