Table 1.

Correlation Matrix for all Independent Variables With r Values Displayed

	Stiffness	MVC	CSA	TTPE	Max df/dt	FL
Stiffness	1	.605***; p < .001	.583***; p < .001	−.209; NS	.247; NS	.165; NS
MVC	.605***; p < .001	1	.703**; p < .001	−.122; NS	.347*; p < .05	.082; NS
CSA	.583***; p < .001	.703**; p < .001	1	−.122; NS	.587; p < .001	.018; NS
TTPE	−.209; NS	−.224; NS	−.122; NS	1	−.231; NS	.183; NS
Max df/dt	.247; NS	.347*; p < .05	.587***; p < .001	−.231; NS	1	−.029; NS
FL	.165; NS	.082; NS	.018; NS	.183; NS	−.029; NS	1

Note: CSA = Cross sectional area; FL = Fascicle Length; MVC = Maximal voluntary contraction; NS = Not significant; TTPE = Time to peak EMG amplitude. p values denoted by *p < .05, **p < .01, and ***p < .001.