Correlation analysis of national elite Chinese male table tennis players’ shoulder proprioception and muscle strength

Table 4 Correlation analysis of strength and proprioception at 180°/s in the shoulder joint of the racket-holding hand in table tennis players

		Absolute Peak torque of external rotation	Relative peak torque of external rotation	Absolute peak torque of internal rotation	Relative peak torque of internal rotation
External rotation AE	Spearman	-0.111	-0.150	-0.204	-0.214
	P value	0.640	0.529	0.388	0.366
External rotation CE	Spearman	-0.113	-0.347	-0.123	-0.420
	P value	0.636	0.133	0.604	0.065
External rotation VE	Pearson	0.033	0.057	0.040	0.091
	P value	0.890	0.812	0.868	0.704
Internal rotation AE	Pearson	0.114	0.082	0.066	0.076
	P value	0.633	0.732	0.782	0.749
Internal rotation CE	Pearson	0.168	-0.145	0.245	-0.105
	P value	0.478	0.542	0.297	0.660
Internal rotation VE	Spearman	0.053	0.221	-0.081	0.117
	P value	0.826	0.349	0.736	0.623

AE: Absolute error; CE: Constant error; VE: Variable error.