Table 1 Frequencies of abnormal muscle response (AMR) in the orbicularis oris muscle (n = 24).

		Facial nerve stimulation (zygomatic branch)				Skin stimulation
		SM		ST		Paranasal		Temple		Either of the two
AMR1*		96%		43%		75%		42%		88%
AMR2†		58%		29%		63%		42%		67%

*Early component; †late component. SM, supramaximum; ST, subthreshold.