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

Table 5 Correlation analysis of strength and proprioception at 60°/s in the shoulder of non-racket-holding hands of 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	Pearson	-0.044	0.063	-0.077	0.041
	P value	0.855	0.793	0.747	0.863
External rotation CE	Spearman	-0.071	0.068	-0.027	0.072
	P value	0.765	0.774	0.909	0.762
External rotation VE	Spearman	-0.203	-0.156	-0.138	-0.103
	P value	0.391	0.510	0.561	0.666
Internal rotation AE	Pearson	-0.042	0.093	-0.095	0.050
	P value	0.860	0.695	0.690	0.835
Internal rotation CE	Pearson	0.084	-0.015	0.118	0.020
	P value	0.725	0.950	0.620	0.932
Internal rotation VE	Spearman	0.375	0.477a	0.289	0.384
	P value	0.103	0.033a	0.217	0.094

^aP < 0.05, muscle strength vs proprioception.

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