Table 1.

Grade of intubating condition

Grade	Jaw relaxation	Vocal cord	Response to intubation
Excellent	Good	Immobile	None
Good	Good	Moving	Minimal diaphragmatic movement only
Poor	Good	Moving or actively closing	Coughing or bucking
Impossible	Poor	Closed	Intubation not possible

Modified from Fuchs-Buder et al.[7]