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. 2011 Feb;91(2):225–233. doi: 10.2522/ptj.20100122

Figure.

Figure.

Setup for hip abduction strength measure. ICC (2,3)=intraclass correlation coefficient with 2 raters and the average of 3 measurements, 95% CI=95% confidence interval, SEM=standard error of the measurement. SEM calculated using the formula (SD ×√1−r), where r is the reliability coefficient and SD is the standard deviation of measurements of tester 1 and tester 2.