Table 2.

Comparison of results between two group.

	Experimental Group			Sham Group			Intergroup p-Values
	Pre-Intervention	Post-Intervention	p-Value in Group	Pre-Intervention	Post-Intervention	p-Value in Group
TM	41.09 ± 3.19	42.86 ± 2.86	<0.001 *	39.64 ± 2.50	39.80 ± 2.53	0.182	0.007 †
MHM	0.76 ± 0.11	0.88 ± 0.07	<0.001 *	0.73 ± 0.08	0.75 ± 0.10	0.231	0.002 †
ADM	6.34 ± 0.36	6.67 ± 0.38	<0.001 *	6.09 ± 0.22	6.10 ± 0.21	0.198	0.001 †

TM, tongue muscle; MHM, mylohyoid muscle; and ADM, anterior belly of the digastric muscle. Unit: mm, mean ± standard deviation. * p < 0.05 by Wilcoxon signed-rank, ^† p < 0.05 by Mann-Whitney U test.