Prediction of the muscle strength by the muscle thickness and hardness using ultrasound muscle hardness meter

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Table 1 Physical characteristics and MVIC of participants

	Male	Female	Significance
n	72	33
Age (years)	23.3 ± 3.2	23.7 ± 4.7	n.s.
Height (m)	1.73 ± 0.07	1.58 ± 0.05	p<0.01
Body mass (kg)	65.6 ± 7.7	50.8 ± 4.7	p<0.01
BMI (kg·m^-2)	21.9 ± 1.8	20.3 ± 1.5	p<0.01
MVIC (kgf)	51.8 ± 12.9	24.5 ± 7.6	p<0.01
MVIC/Body mass (kgf·kg^-1)	0.791 ± 0.184	0.482 ± 0.140	p<0.01
MVIC/Thigh muscle thickness (kgf·mm^-1)	1.43 ±0.35	0.81 ± 0.26	p<0.01