Table 2.

Results of the intraclass correlation and Bland-Altman analyses.

		Intraclass correlation			Bland-Altman
		Intraclass correlation coefficient	95% confidence interval		Mean difference	SD of the differences	95% confidence interval
			Lower bound	Upper bound			Lower bound	Upper bound
0 N	Neutral	.336	−.572	.899	−0.01	0.37	−0.74	0.72
	Flex 15°	.868	.313	.985	0.05	0.29	−0.52	0.62
	Flex 30°	−.501	−.914	.514	−0.17	0.81	−1.77	1.42
	Ext 15°	−.109	−.804	.765	0.04	0.72	−1.37	1.44
	Ext 30°	.379	−.538	.908	−0.13	0.47	−1.05	0.79
6 N	Neutral	.818	.149	.979	0.33	0.17	−0.01	0.67
	Flex 15°	.077	−.727	.832	−0.11	0.76	−1.59	1.38
	Flex 30°	−.115	−.806	.763	0.02	1.24	−2.41	2.45
	Ext 15°	−.080	−.793	.777	0.32	0.64	−0.95	1.58
	Ext 30°	.342	−.568	.900	−0.34	0.75	−1.81	1.13