Article

The present study investigated the intrarater reliability, interrater reliability
and minimal detectable change at the 90% confidence interval (MDC(90)) of active
shoulder range of motion measurements using digital inclinometry. Two
investigators each measured two repetitions of active flexion, abduction,
external rotation (ER), and internal rotation (IR) on the nondominant shoulder of
30 asymptomatic participants in a blinded repeated measures design. Results
indicated good intrarater reliability with Intraclass Correlation Coefficients
(ICCs) (3, k) of Flexion=0.83, Abduction=0.91, ER=0.94 and IR=0.87. Interrater
ICC values (2, k) were moderate to good with Flexion=0.58, Abduction=0.95,
ER=0.88 and IR=0.93.
The MDC(90) for the interrater analysis indicated that a
change of equal to or greater than 8? (Flexion), 4? (Abduction), 8? (IR), and 9?
(ER) would be required to be 90% certain that the change is not due to intertrial
variability or measurement error. Digital inclinometry appears to be a reliable
instrument for quantifying normal shoulder mobility when strict measurement
protocols are adhered to. Clinicians and researchers should consider the MDC
values presented when interpreting change values during subsequent measurement
sessions.

Langue : ANGLAIS