Table 1.

Reliability of surface electromyography (sEMG) measurements for each muscle and task.

Muscle	Task	ICC (IC 95%)	SEM	%SEM
UT	Drilling	0.992 (0.982; 0.996)	0.14	2.3
	Filling	0.972 (0.938; 0.987)	0.59	6.4
	Polishing	0.990 (0.977; 0.995)	0.32	2.6
LD	Drilling	0.966 (0.925; 0.984)	0.06	4.6
	Filling	0.992 (0.982; 0.996)	0.04	2.2
	Polishing	0.977 (0.950; 0.990)	0.07	3.8
AD	Drilling	0.994 (0.986; 0.997)	0.27	2.7
	Filling	0.999 (0.998; 1.000)	0.07	0.7
	Polishing	0.977 (0.950; 0.990)	0.33	3.5

UT: Upper Trapezius; LD: Lateral Deltoid; AD: Anterior Deltoid; ICC: Intraclass Correlation Coefficient; SEM: Standard Error of Measurements.