Score Definition
0 No motion - The vocal cord is completely paralysed and shows no movement at all
1 Almost no motion - The vocal cord is not completely paralysed, but shows only very slight movement
2 Half the range of motion - The vocal cord moves about half the range of motion of that of a healthy vocal cord
3 Almost full motion - The vocal cord moves with almost full range of motion, but not completely
4 Full range of motion - The vocal cord moves completely with full range of motion