Standard Correction of Vision Worsens EMG Activity of Pericranial Muscles in Chronic TMD Subjects

Table 3

EMG values with eyes closed versus eyes open for the two groups.

sEMG sum	EC			EO
	N	Mean	SD	N	Mean	SD	t value	value
TMD	20	18.88	0.5875	20	20.55	0.6875	8.258565	≤0.001
Healthy	20	12.84	0.4375	20	12.95	0.4625	0.772703	0.444