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

Table 3 Correlation analysis of strength and proprioception at 60°/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	-0.055	-0.148	-0.059	-0.178
	P value	0.818	0.533	0.806	0.454
External rotation CE	Spearman	-0.234	-0.315	-0.197	-0.344
	P value	0.321	0.176	0.405	0.137
External rotation VE	Pearson	0.302	0.136	0.330	0.162
	P value	0.196	0.568	0.155	0.495
Internal rotation AE	Pearson	0.223	0.018	0.199	0.001
	P value	0.344	0.939	0.399	0.997
Internal rotation CE	Pearson	0.175	-0.139	0.220	-0.097
	P value	0.459	0.558	0.351	0.683
Internal rotation VE	Spearman	-0.024	0.086	-0.097	0.043
	P value	0.920	0.719	0.685	0.857

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