Table 1.

Values of stiffness of the masseter and temporalis muscles.

	Baseline Measurement, Mean (SD), KPa	First Measurement, Mean (SD), KPa	Second Measurement, Mean (SD), KPa
Left masseter muscle	10.99 (2.04)	12.31 (1.38)	11.29 (2.01)
Right masseter muscle	11.01 (2.21)	12.32 (1.65)	11.30 (1.73)
Left temporalis muscle	10.23 (1.23)	10.92 (1.68)	10.65 (1.68)
Right temporalis muscle	10.14 (1.32)	10.73 (1.70)	10.62 (1.71)

Abbreviation: SD, standard deviation.