Table 3:

Parameter estimates for the standard deviation of the shear wave velocity maps shown by each variable within the linear mixed effects model for each muscle.

Measures	SD of Shear Wave Velocity Map (m/s) (* p < 0.05, ** p < 0.01, *** p < 0.001)
	AD	BB	CL	SC	MT
Intercept	0.24*	0.68*	0.068	0.36*	0.049
Age	0.001	−0.0029	0.00022	−0.0021	0.0033**
Sex (Reference: Female)
Male	0.0081	0.15	−0.092	−0.3**	0.13
Age* Sex (Reference: Female)
Age*Male	0.000026	−0.0025	0.00095	0.0026	−0.0031*
Humeral Elevation Angle (Reference: 45 degrees)
60 degrees	−0.077	−0.45*	0.0036	−0.032	0.027
75 degrees	−0.042	−0.44	0.081	−0.1	0.075
90 degrees	−0.0037	−0.43	0.051	−0.18*	0.036
105 degrees	0.008	−0.44	0.075	−0.22**	0.1
Age*Humeral Elevation Angle (Reference: 45 degrees)
Age*60 degrees	0.0013	0.0058	−0.00026	−0.00057	−0.00036
Age*75 degrees	0.00079	0.0055	−0.0012	0.0011	−0.0008
Age*90 degrees	0.00012	0.0055	−0.00083	0.002	−0.00004
Age*105 degrees	−0.00008	0.0058	−0.0014	0.0027*	−0.0014
BMI	−0.00047	−0.0063	0.0083***	0.0004	0.0072*
Dynamometer	−0.00058	0.00085	0.00042	0.0056	−0.00090
Purdue Pegboard Time	−0.0016	−0.0009	−0.00033	0.000048	−0.00016
Time to Button Blouse	0.0016	−0.00068	0.00045	0.0018	−0.00034

Significant parameters are bolded with an asterisk signifying significance level

^*p < 0.05,

^**p < 0.01,

^***p < 0.001