Table 1.

Test-retest reliability and standard error of measurement of range of motion and Craig’s tests.

Variable	ICC (3,3)	SEM (°)
ER90°	0.82 (0.32, 0.95)	3
IR90°	0.96 (0.84, 0.99)	3
Craig’s test	0.97 (0.89, 0.99)	2
ER0°	0.99 (0.95, 1.00)	2
IR0°	0.92 (0.69, 0.98)	3

Abbreviations: ICC, intraclass correlation coefficient; SEM, standard error of measurement; ROM, range of motion; ER90°, external rotation ROM with hip flexed to 90°; IR90°, internal rotation ROM with hip flexed to 90°, ER0°, external rotation ROM with hip in neutral flexion/extension; IR0°, internal rotation ROM with hip in neutral flexion/extension 0°