TABLE 3. Normalized RMS means (±standard deviation) during isotonic contraction four the 4 evaluated groups.

	LM	LT	RM	RT
Asymptomatic	0.76±0.20	0.45±0.23	0.65±0.27	0.50±0.22
Arthrogenic	0.70±0.22	0.70±0.25	0.66±0.24	0.65±0.20
Myogenic	0.65±0.31	0.78±0.19	0.56±0.32	0.71±0.25
Mixed	0.45±0.31	0.35±0.23	0.56±0.34	0.38±0.25

LM = Left Masseter; LT = Left Temporal; RM = Right Masseter; RT = Right Temporal.