Table 3.

Results of the Principal Component Analysis for the CPA component in EC condition.

Muscles	Components (REC) s2=0.74		Components (WEC) s2=0.70		Components (FEC) s2=0.73
	1	2	1	2	1	2
TA	.985	.083	.280	.963	.933	.071
GL	.085	−.873	.854	−.188	.549	−.129
RF	.686	−.536	.913	.074	.910	.098
VL	.626	−.564	.041	.914	.883	.117
VM	.942	−.154	.531	−.716	.960	−.257
BF	−.364	−.939	.771	.147	.099	.946
ST	.653	−.476	.679	−.447	−.022	.973
RA	.263	.107	.670	.291	.498	.100
ESL	−.167	.616	.300	−.259	.760	.161

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