Table 1.

Results of the Principal Component Analysis for the APA component in EO condition.

Muscles	Components (REO) s2=0.75		Components (WEO) s2=0.76		Components (FEO) s2=0.72
	1	2	1	2	1	2
TA	.019	.933	.679	−.180	.520	−.555
GL	.492	.619	−.261	−.889	.078	.765
RF	.845	−.035	.928	.177	.827	.124
VL	.886	.137	.950	.316	.726	−.063
VM	.807	−.105	.989	.120	.967	.099
BF	.894	−.158	.279	.910	.002	−.955
ST	.836	.016	−.353	.799	.773	−.506
RA	−.337	.870	.341	−.434	.592	.310
ESL	.544	.543	.694	−.426	−.157	−.927

Numbers in bold indicate significant loading components (>|0.6|). s² indicates sample variance.