Quantitative evaluation of shoulder proprioception 6 months following stroke

Table 2 Comparison of angular displacement errors of shoulder joint position sense in affected arm and unaffected arm of patients (G1)

Variables*	Affected arm	Unaffected arm	t value	P value
Active external rotation	3.823° ± 2.067	2.72° ± 2.141	2.03	0.0469**
Passive external rotation	4.597° ± 3.115	3.18° ± 2.384	2.178	0.0376**
Active internal rotation	4.573° ± 2.431	3.007° ± 1.802	3.339	0.0023**
Passive internal rotation	3.97° ± 3.546	2.657° ± 2.069	2.077	0.0468**