Table 2. Comparison of the maximum and mean value of Elastic modulus of RF and PT when different ROI’s size was used.

	Maximum value				Mean value
	Mean ± SD (kPa)			p-value	Mean ± SD (kPa)			p-value
	8 mm	10 mm	12 mm		8 mm	10 mm	12 mm
Muscle	25.92±9.22	30.22±14.21	36.68±18.86	<0.05	12.78±3.53	12.71±3.40	12.68±3.55	0.92
	2 mm	3 mm	4 mm		2 mm	3 mm	4 mm
Tendon	86.67±43.58	92.20±42.35	97.18±43.53	<0.05	72.48±36.45	69.98±33.58	70.00±32.11	0.47