Table 2.

Interobserver reliability between angle measurements obtained by different examiners.

Values	Abduction		Flexion			Extension			External rotation			Internal rotation
	Active	Passive		Active	Passive		Active	Passive		Active	Passive		Active	Passive
ICCa among examiners	0.971	0.979		0.952	0.899		0.771	0.799		0.951	0.960		0.914	0.966
95% lower limit	0.950	0.964		0.918	0.832		0.640	0.680		0.916	0.931		0.855	0.941
95% upper limit	0.984	0.989		0.974	0.944		0.867	0.885		0.973	0.978		0.952	0.981

^aICC: intraclass correlation coefficient.